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815 media by topicpage 1 of 9
Veneering &c. - Public domain architectural drawing

Veneering &c. - Public domain architectural drawing

Public domain scan of architectural drawing, architecture, free to use, no copyright restrictions image - Picryl description

Eight designs for jewelry, including black pendant with diamonds.

Eight designs for jewelry, including black pendant with diamonds.

Public domain photograph of 3d object, free to use, no copyright restrictions image - Picryl Description.

Five designs for jewelry, including bracelet with diamonds and green stones chained to a ring.

Five designs for jewelry, including bracelet with diamonds and green s...

Public domain photograph of 3d object, free to use, no copyright restrictions image - Picryl Description.

[Design for a ceiling with cherubs holding flowers.]

[Design for a ceiling with cherubs holding flowers.]

Picryl description: Public domain photo of ornamental art print, free to use, no copyright restrictions image.

Jean Le Pautre - [Design for table, two candlesticks, and mirror.]

Jean Le Pautre - [Design for table, two candlesticks, and mirror.]

Picryl description: Public domain photo of ornamental art print, free to use, no copyright restrictions image.

Profile of Harlem River Tunnel and approaches; section of Harlem River Tunnel during construction.
Ise Monogatari Emaki, Scroll II.

Ise Monogatari Emaki, Scroll II.

Picryl description: Public domain photo of Japanese scroll painting, free to use, no copyright restrictions art image.

Wash stands . Design Elizabethan. Plate 142-D.

Wash stands . Design Elizabethan. Plate 142-D.

Public domain scan of a monument, cemetery, architecture design, free to use, no copyright restrictions - Picryl description.

Research: Research facilities are extensive.

Research: Research facilities are extensive.

Public domain photograph of factory building, free to use, no copyright restrictions image - Picryl description

Decorated Wash Basins. # Design No. 652,653,726,703,731,647.

Decorated Wash Basins. # Design No. 652,653,726,703,731,647.

Public domain scan of a print featuring furniture, art, or architecture design, free to use, no copyright restrictions image - Picryl description

Weaving at Red House, West Virginia

Weaving at Red House, West Virginia

Public domain photograph of Great Depression era, artistic, art photography, free to use, no copyright restrictions image - Picryl description

P. R. R. shops’ Altoona, Pa. interior of locomotive black-smith shop.

P. R. R. shops’ Altoona, Pa. interior of locomotive black-smith shop.

Pennsylvania stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who... More

Agricultural Hall, interior. Stereoscope card, 19th century Philadelpia PA.

Agricultural Hall, interior. Stereoscope card, 19th century Philadelpi...

Philadelphia stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who... More

Agricultural Hall, interior, looking west. Stereoscope card, 19th century Philadelpia PA.

Agricultural Hall, interior, looking west. Stereoscope card, 19th cent...

Picryl description: Public domain image of an architectural element, dome, cathedral, classical architecture, free to use, no copyright restrictions.

Agri[cultural] Hall, nave looking north.

Agri[cultural] Hall, nave looking north.

Philadelphia stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who... More

Grand Staircase to Senate Chambers. Washington DC stereoscope card, 19th cenrury.

Grand Staircase to Senate Chambers. Washington DC stereoscope card, 19...

Washington DC stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

View of electric stop motion, a mechanism enabling a weaver to produce perfect cloth. Silk industry, South Manchester, Conn., U.S.A.

View of electric stop motion, a mechanism enabling a weaver to produce...

Connecticut stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who ... More

View of Asbury Park. [People in boat.]

View of Asbury Park. [People in boat.]

New Jersey stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who a... More

Arabian no. 5: Mosaics from walls and pavements from houses in Cairo.

Arabian no. 5: Mosaics from walls and pavements from houses in Cairo.

Public domain image of Egyptian art, free to use, no copyright restrictions photo - Picryl description

Plan du rez de chaussée du Panthéon à Rome

Plan du rez de chaussée du Panthéon à Rome

Picryl description: Public domain image of an Italian architectural drawing, design, free to use, no copyright restrictions.

Préliminaire géométrique. - Public domain architectural plan drawing

Préliminaire géométrique. - Public domain architectural plan drawing

Public domain scan of an architecture diagram, plan, or drawing, free to use, no copyright restrictions - Picryl description.

Miniature showing 1. Venus enthroned as Queen of Cypriens, beneath a red canopy, surrounded by couples at play; 2. temple scene with worshippers and statue of goddess; 3. scene showing prostitues; 4. ships in harbor.  Border design, initial and rubric.

Miniature showing 1. Venus enthroned as Queen of Cypriens, beneath a r...

Public domain photo of French sculpture, 14th century, free to use, no copyright restrictions image - Picryl description.

[Design for a chimney piece with central equestrian portrait.]

[Design for a chimney piece with central equestrian portrait.]

Picryl description: Public domain image of an ornamental print, pattern design, mannerism, baroque, free to use, no copyright restrictions.

Miniature showing 1. Sempronia displaying her skill in rhetoric before three noblemen who applaud her; 2. Sempronia dancing with five men in a village square at dusk, while a second woman plays a long wind instrument.  Initial and border design.

Miniature showing 1. Sempronia displaying her skill in rhetoric before...

Public domain reproduction of illuminated book page, 14th century, free to use, no copyright restrictions image - Picryl description.

Part of bus bar compartments - main power station.

Part of bus bar compartments - main power station.

Public domain photograph of bus station, free to use, no copyright restrictions image - Picryl description

Miniature showing 1. portrait of Mariamne and Aristobolus shown by kneeling man to royal couple; 2. Mariamne, naked except for a crown, engulfed by flames at the stake as townspeople look on.  Initial, border design.

Miniature showing 1. portrait of Mariamne and Aristobolus shown by kne...

Public domain reproduction of illuminated manuscript page, 14th century, free to use, no copyright restrictions image - Picryl description.

Garrison tales from Tonquin by James O'Neill.

Garrison tales from Tonquin by James O'Neill.

Public domain scan of architectural drawing, architecture, free to use, no copyright restrictions image - Picryl description

[Design for a mantelpiece and arched wall niche.]

[Design for a mantelpiece and arched wall niche.]

Public domain reproduction of artwork, free to use, no copyright restrictions image - Picryl description

Miniature showing the Empress Irene condemning her son, Constantine, to prison.  She sits on a hexagonal raised platform; he is restrained by two figures.  Initial, rubric and border design.

Miniature showing the Empress Irene condemning her son, Constantine, t...

Public domain reproduction of illuminated manuscript page, 14th century, free to use, no copyright restrictions image - Picryl description.

Cedar Street, from William, Manhattan.
Military uniforms: Austria, Hungaren Regimenter. Adjustirungs - schema, 1762

Military uniforms: Austria, Hungaren Regimenter. Adjustirungs - schema...

The collection by the Dutch physician H. J. Vinkhuijzen (1843-1910). European armies.

Text with placemarkers, rubric, and large blue initial.  Border design with leaves and grotesques.

Text with placemarkers, rubric, and large blue initial. Border design...

Public domain reproduction of illuminated manuscript page, medieval or early renaissance, free to use, no copyright restrictions image - Picryl description.

Sculpture in the Temple of Semneh.

Sculpture in the Temple of Semneh.

Public domain image of Egyptian art, free to use, no copyright restrictions photo - Picryl description

Fig. X. Chiromylos, frumentarius. Theatrum Machinarum Novum.

Fig. X. Chiromylos, frumentarius. Theatrum Machinarum Novum.

Public domain scan of a print featuring furniture, art, or architecture design, free to use, no copyright restrictions image - Picryl description

Five designs for jewelry, including gold crown with red and green stones.

Five designs for jewelry, including gold crown with red and green ston...

Public domain photograph of 3d object, free to use, no copyright restrictions image - Picryl Description.

Bath Room Interior, 'Eastlake' Design.

Bath Room Interior, 'Eastlake' Design.

Public domain scan of a print featuring furniture, art, or architecture design, free to use, no copyright restrictions image - Picryl description

Bath Room Interior, 'Eastlake' Design.

Bath Room Interior, 'Eastlake' Design.

Public domain scan of a print featuring furniture, art, or architecture design, free to use, no copyright restrictions image - Picryl description

Side and end elevations of alternator.

Side and end elevations of alternator.

Public domain scan of a print featuring furniture, art, or architecture design, free to use, no copyright restrictions image - Picryl description

Ise Monogatari Emaki, Scroll II.

Ise Monogatari Emaki, Scroll II.

Picryl description: Public domain photo of Japanese scroll painting, free to use, no copyright restrictions art image.

Ise Monogatari Emaki, Scroll II.

Ise Monogatari Emaki, Scroll II.

Picryl description: Public domain photo of Japanese scroll painting, free to use, no copyright restrictions art image.

[Design for ceiling decoration with central oval panel.]

[Design for ceiling decoration with central oval panel.]

Public domain reproduction of artwork, 18th century, free to use, no copyright restrictions image - Picryl description.

Side elevation and cross section of alternator with part cut away to show construction.

Side elevation and cross section of alternator with part cut away to s...

Public domain photograph of construction architecture design, diagram, free to use, no copyright restrictions image - Picryl description

Carriage Way of the Suspension Bridge.

Carriage Way of the Suspension Bridge.

Picryl description: Public domain image of a bridge over a water stream, free to use, no copyright restrictions.

Interior of Lyceum Theatre, Rochester, N.Y.

Interior of Lyceum Theatre, Rochester, N.Y.

New York stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who ass... More

Old time wind mill, Ag[ricultura]l Hall.

Old time wind mill, Ag[ricultura]l Hall.

Philadelphia stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who... More

Miniature showing Leontia in a courtyard, studying a book propped up on a lectern before her.  Other books scattered around.  In middle distance, meeting of groups of courtesans and customers.  Initial, rubric, border design.

Miniature showing Leontia in a courtyard, studying a book propped up o...

Public domain reproduction of illuminated manuscript page, medieval or early renaissance, free to use, no copyright restrictions image - Picryl description.

A book of new & allegorical devices, for artists in general: & particularly for jewellers, enamel painters, pattern drawers, etc.  Containing two hundred elegant historical, ornamental, and fancied subjects designed and engraved by Garnet Terry

A book of new & allegorical devices, for artists in general: & particu...

Public domain scan of a print featuring furniture, art, or architecture design, free to use, no copyright restrictions image - Picryl description

Plate from blackwork ornament designs for gold- and silversmiths

Plate from blackwork ornament designs for gold- and silversmiths

Picryl description: Public domain image of an ornamental print, pattern design, mannerism, baroque, free to use, no copyright restrictions.

Iron circular stair. Plate 425-N.

Iron circular stair. Plate 425-N.

Picryl description: Public domain image of an industrial structure, frame, ladder, free to use, no copyright restrictions.

Lime kiln. - Public domain architectural drawing

Lime kiln. - Public domain architectural drawing

Public domain scan of an architecture diagram, plan, or drawing, free to use, no copyright restrictions - Picryl description.

Miniature showing 1. Group of worshippers at statue of Latona.  Niobe, dressed as a queen, stands apart, trying to sway people from their worship; 2. Niobe mourns over the corpses of her husband, Amphion, and her children.  Initial, rubric, border design.

Miniature showing 1. Group of worshippers at statue of Latona. Niobe,...

Public domain photo of French sculpture, 14th century, free to use, no copyright restrictions image - Picryl description.

Miniature showing 1. Arachne at her loom, surrounded by men, with scene of lovers on tapestry and female figure on bare warp threads; 2. Arachne hung by a rope in a bare gray chamber, arms akimbo.  Initial, rubric, border design.

Miniature showing 1. Arachne at her loom, surrounded by men, with scen...

Public domain reproduction of illuminated book page, 14th century, free to use, no copyright restrictions image - Picryl description.

Miniature showing 1. Marriage of Jocasta and Oedipus on the steps of a gothic church; 2. Jocasta appears to argue with Oedipus; 3. Jocasta's and Oedipus' sons go to battle in the presence of their sisters.  Rubric, initial, border design.

Miniature showing 1. Marriage of Jocasta and Oedipus on the steps of a...

Public domain reproduction of illuminated book page, 14th century, free to use, no copyright restrictions image - Picryl description.

Miniature showing 1. tents of Scythians attacked by the army of Cyrus, while the Scythian army approaches in the distance; 2. Thamyris stands over Cyrus, who is about to be beheaded by a soldier.  Initial, border design.

Miniature showing 1. tents of Scythians attacked by the army of Cyrus,...

Public domain reproduction of illuminated manuscript page, 14th century, free to use, no copyright restrictions image - Picryl description.

Miniature showing 1. Thamyris seated before an easel in an urban square, and she paints a portrait of Diana; 2. the finished portrait is visible on an altar through the window of a church in the middle distance. Initial, rubric, border design.

Miniature showing 1. Thamyris seated before an easel in an urban squar...

Public domain reproduction of illuminated book page, 14th century, free to use, no copyright restrictions image - Picryl description.

Miniature showing Claudia Quinta hauling a rope attached to a golden ship that carries the marble statue of a goddess.  A group of men and women watch from across the harbor.  Initial and border design.

Miniature showing Claudia Quinta hauling a rope attached to a golden s...

Public domain photo of French sculpture, 14th century, free to use, no copyright restrictions image - Picryl description.

Mosaikboden im Dom zu Orvieto - Public domain  drawing

Mosaikboden im Dom zu Orvieto - Public domain drawing

Public domain scan of architectural drawing, architecture, free to use, no copyright restrictions image - Picryl description

Sculptured stone tablet at Akatzeeb.

Sculptured stone tablet at Akatzeeb.

Public domain reproduction of illuminated manuscript page, free to use, no copyright restrictions image - Picryl description

Persépolis. Palais no. 2. Bas-reliefs entre les deux rampes de l'escalier du centre.

Persépolis. Palais no. 2. Bas-reliefs entre les deux rampes de l'escal...

Public domain scan of architectural drawing, architecture, free to use, no copyright restrictions image - Picryl description

Abydos. [Nécropole.] a.b. Tombe no. 1; c.d.e. Tombe no. 2.

Abydos. [Nécropole.] a.b. Tombe no. 1; c.d.e. Tombe no. 2.

Public domain image of Egyptian art, free to use, no copyright restrictions photo - Picryl description

Ornement symbolique attenant au timon d'un char. Étendard figurant dans un bas-relief de la salle II.

Ornement symbolique attenant au timon d'un char. Étendard figurant dan...

Public domain reproduction of artwork related to Ancient Assyria civilization, free to use, no copyright restrictions image - Picryl description

Opening of French section, in mid-sentence.  Initials and border design.

Opening of French section, in mid-sentence. Initials and border desig...

Public domain reproduction of illuminated manuscript page, medieval or early renaissance, free to use, no copyright restrictions image - Picryl description.

Miniature of Annunciation, border design with merman playing horn, initials, linefiller.

Miniature of Annunciation, border design with merman playing horn, ini...

Public domain reproduction of illuminated manuscript page, 14th century, free to use, no copyright restrictions image - Picryl description. The Annunciation is a biblical event in which the angel Gabriel appea... More

Page of text with initials, border design and quire number.

Page of text with initials, border design and quire number.

Public domain reproduction of illuminated manuscript page, medieval, free to use, no copyright restrictions image - Picryl description.

Katsushika Hokusai - Selected images from Teikin Orai and Onna Inagawa

Katsushika Hokusai - Selected images from Teikin Orai and Onna Inagawa

Public domain photo of Japanese woodblock print, Ukiyo-e, free to use, no copyright restrictions image - Picryl description

Knights of Malta, 1048-1799 - Public domain dedication image

Knights of Malta, 1048-1799 - Public domain dedication image

The collection by the Dutch physician H. J. Vinkhuijzen (1843-1910). European armies.

Seven designs for jewelry, including tiara with red stone.

Seven designs for jewelry, including tiara with red stone.

Public domain photograph of 3d object, free to use, no copyright restrictions image - Picryl Description.

[Assemblage of the Statue of Liberty in Paris, showing the bottom half of the statue erect under scaffolding, the head and torch at its feet.]

[Assemblage of the Statue of Liberty in Paris, showing the bottom half...

Picryl description: Public domain image of a construction site, industrial or commercial building, free to use, no copyright restrictions.

Erection of arch, Manhattan valley viaduct.

Erection of arch, Manhattan valley viaduct.

Picryl description: Public domain image of a bridge, train viaduct, free to use, no copyright restrictions.

Plate No. 3 - Wheel brake and connections [Drawing].

Plate No. 3 - Wheel brake and connections [Drawing].

Public domain scan of an architecture diagram, plan, or drawing, free to use, no copyright restrictions - Picryl description.

Tiffany Lamps - A group of lamps sitting on top of a table

Tiffany Lamps - A group of lamps sitting on top of a table

Picryl description: Public domain image of an ornamental print, pattern design, mannerism, baroque, free to use, no copyright restrictions.

Vue des tombeaux de la famille de Mohamed-Aly-Pacha, dans le cimitière de l'Imam

Vue des tombeaux de la famille de Mohamed-Aly-Pacha, dans le cimitière...

Public domain image of Egyptian art, free to use, no copyright restrictions photo - Picryl description

Decorated Wash Basins. # Design No. 480,485,479,593,544,773.

Decorated Wash Basins. # Design No. 480,485,479,593,544,773.

Public domain scan of a print featuring furniture, art, or architecture design, free to use, no copyright restrictions image - Picryl description

Copying design on copper rolls for printing cotton cloth, Lawrence, Mass.

Copying design on copper rolls for printing cotton cloth, Lawrence, Ma...

Massachusetts stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

Coasting Washington Railway. New Hampshire in 19th century. Stereoscope card.

Coasting Washington Railway. New Hampshire in 19th century. Stereoscop...

New Hampshire stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

Main? building, Main Avenue, looking .... Centennial Exhibition 1876, Philadelphia PA

Main? building, Main Avenue, looking .... Centennial Exhibition 1876, ...

Philadelphia stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who... More

New Tabernacle, Salt Lake City, Utah.

New Tabernacle, Salt Lake City, Utah.

Picryl description: Public domain image of an architectural element, dome, cathedral, classical architecture, free to use, no copyright restrictions.

A book of new & allegorical devices, for artists in general: & particularly for jewellers, enamel painters, pattern drawers, etc.  Containing two hundred elegant historical, ornamental, and fancied subjects designed and engraved by Garnet Terry

A book of new & allegorical devices, for artists in general: & particu...

Public domain reproduction of illuminated manuscript page, free to use, no copyright restrictions image - Picryl description

[Design for chimney piece and mirror with two women and garlands.]

[Design for chimney piece and mirror with two women and garlands.]

Picryl description: Public domain photo of ornamental art print, free to use, no copyright restrictions image.

Watt's engine - A drawing of a machine that is sitting on top of a table

Watt's engine - A drawing of a machine that is sitting on top of a tab...

Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description

No. 200 West 58th Street. Southwest Corner Seventh Avenue.

No. 200 West 58th Street. Southwest Corner Seventh Avenue.

Public domain photograph of apartment building, architectural plan, architecture, free to use, no copyright restrictions image - Picryl description

Miniature showing 1. Athaliah, crowned, extends her hands to 2 youths being slain; 2. coronation of Jehoash by two bishops; 3. three citizens observe over a wall; 4. the body of Athaliah is dragged from castle gate by her hair.  Initial, border design.

Miniature showing 1. Athaliah, crowned, extends her hands to 2 youths ...

Public domain reproduction of illuminated book page, medieval or early renaissance, free to use, no copyright restrictions image - Picryl description.

[Design for doorway with decoration of bust of Athena and two cherubs.]

[Design for doorway with decoration of bust of Athena and two cherubs....

Picryl description: Public domain image of an ornamental print, pattern design, mannerism, baroque, free to use, no copyright restrictions.

Contact rail bands; direct current feeders from manhole to contact rail.
Fig. CXXVII. Haustrum sextuplex, cum capsulis. Theatrum Machinarum Novum.

Fig. CXXVII. Haustrum sextuplex, cum capsulis. Theatrum Machinarum Nov...

Picryl description: Public domain image of an industrial equipment, workshop, assembly line, factory, power engine, 19th-20th century, free to use, no copyright restrictions.

Miniature of Virgin and Child, with diapered background. Large initial, border design. French text.

Miniature of Virgin and Child, with diapered background. Large initial...

Public domain reproduction of illuminated manuscript page, medieval or early renaissance, free to use, no copyright restrictions image - Picryl description.

Opening of book two, miniature, initial with penwork and blue initial on gold, border design.

Opening of book two, miniature, initial with penwork and blue initial ...

Public domain reproduction of illuminated manuscript page, medieval or early renaissance, free to use, no copyright restrictions image - Picryl description.

Large initial, hand 2, border design, opening of main text, initials, rubrics and linefillers, placemarkers.

Large initial, hand 2, border design, opening of main text, initials, ...

Public domain reproduction of illuminated manuscript page, medieval or early renaissance, free to use, no copyright restrictions image - Picryl description.

Miniature of Resurrection, with border design.

Miniature of Resurrection, with border design.

Public domain reproduction of illuminated manuscript page, medieval or early renaissance, free to use, no copyright restrictions image - Picryl description.

Opening of the text, with historiated initial of holy man kneeling in prayer in a landscape; with rubrics, placemarkers and elaborate border design that includes the XPS monogram.

Opening of the text, with historiated initial of holy man kneeling in ...

Public domain reproduction of illuminated manuscript page, medieval or early renaissance, free to use, no copyright restrictions image - Picryl description.

Bercheh & Cheikh-Sayd. Bas-reliefs & proscynème tirés des hypogées.

Bercheh & Cheikh-Sayd. Bas-reliefs & proscynème tirés des hypogées.

Public domain image of Egyptian art, free to use, no copyright restrictions photo - Picryl description

Southern stone pyramid of Dashoor. Passages &c. discovered Oct. 20, 1839.

Southern stone pyramid of Dashoor. Passages &c. discovered Oct. 20, 18...

Public domain image of Egyptian art, free to use, no copyright restrictions photo - Picryl description

Ballets Russes (Diaghilev), American tour, 1915-1916.

Ballets Russes (Diaghilev), American tour, 1915-1916.

Public domain scan of artwork depicting dance, music, performing art productions, free to use, no copyright restrictions image - Picryl description

Coupe et elevation du cénotaphe de Mr Moreau.

Coupe et elevation du cénotaphe de Mr Moreau.

Picryl description: Public domain image of a classical or neoclassical building, architecture design, 19th-20th century, free to use, no copyright restrictions.

Nine designs for jewelry, including pin with diamonds and red stones.

Nine designs for jewelry, including pin with diamonds and red stones.

Public domain scan of technical drawing, free to use, no copyright restrictions image - Picryl description

Ise Monogatari Emaki, Scroll III.

Ise Monogatari Emaki, Scroll III.

Public domain reproduction of illuminated manuscript page, free to use, no copyright restrictions image - Picryl description

Cedar Street, from William, Manhattan.

Cedar Street, from William, Manhattan.

Public domain photograph - New York, art photography, artistic, free to use, no copyright restrictions image - Picryl description

Presidents room ; Reception room ; Reception foyer ; An engineers office ; Engineering conference room.

Presidents room ; Reception room ; Reception foyer ; An engineers offi...

Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description

Studies and tests are continuous on bubble-towers, exchangers, fired-heatrs, and their component parts ; Furnace headers are tested for pressure drop, corrosion, erosion, strength.

Studies and tests are continuous on bubble-towers, exchangers, fired-h...

Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description

P. R. R. shops’ Altoona, Pa. interior of locomotive black-smith shop.

P. R. R. shops’ Altoona, Pa. interior of locomotive black-smith shop.

Pennsylvania stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who... More

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