Solar Method of Evaporating Salt Brine -- Collecting, Draining, Haulin...
New York State 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 w... More
Drawing logs up the incline to second floor of mill to deliver them to...
Washington State 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... More
A Commotion in the Devil's Ink Pot. A Moment of eruption, Yellowstone ...
Wyoming 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 asse... More
The Capitol. Washington, D.C. Washington DC. US Government facilities,...
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
Orange Blossoms and Fruit, Los Angeles, Cal., U.S.A.
Picryl description: Public domain image of a flower, blooming, botanical illustration, free to use, no copyright restrictions.
Cliff House and Seal Rocks by moonlight, San Francisco, Cal.
California 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
Cut rags after removing from washing drums, paper mills, Holyoke, Mass...
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
Bird's-eye View of New York Harbor, New York, N.Y.
Public domain image of personnel, army, group of people in uniform, parade, historic place, military activity, free to use, no copyright restrictions - Picryl description
Home again! New York City. New York Sterecope Card.
Picryl description: Public domain image of a historic building in New York City, free to use, no copyright restrictions.
Fishermen at home, Columbia River, Oregon, U.S.A.
Picryl description: Public domain image related to an industrial revolution, industry history, factory building, free to use, no copyright restrictions image.
Going up the Yukon River by moonlight to Dawson City, Alaska.
Alaska 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 assem... More
Bound for the Klondike gold fields, Chilkoot Pass, Alaska.
Alaska 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 assem... More
Citizens of Ohio en route to the Klondike, Dyea Trail, Alaska.
Public domain photograph of a mountain pass, mountains, nature, mountain range, view, landscape, rocks, free to use, no copyright restrictions - Picryl description
Combined reaper and thrasher, San Joaquin Valley, Cal., U.S.A.
California 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
Where 16,000 pigeons live in constant peace, Los Angeles, Cal., U.S.A.
California 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
Reinforcements for Dewey, leaving San Francisco, Cal.
California 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
Banyan tree, Palm Beach, Florida. Florida Sterescope Cards Collection,...
Picryl description: Public domain image of trees, forest, park, free to use, no copyright restrictions.
Cocoanut (Coconut) Grove, Lake Worth, Fla.
Florida 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 asse... More
Rice fields near Honolulu, Hawaii. 19th Centyry Stereoscope 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 assembled it over a period of mo... More
A sugar-cane mill, Hawaii. (Geo. Unit no. 19A).
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 assembled it over a period of mo... More
The crater of Mauna Loa, Hawaii. (Geo. Unit no. 19A).
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 assembled it over a period of mo... More
Longfellow's home, Cambridge, Mass., U.S.A. Cambridge Massachusetts. S...
Public domain vintage artistic photograph, 19th century, free to use, no copyright restrictions image - Picryl description.
Longfellow's home, Cambridge, Mass., U.S.A. Cambridge Massachusetts. S...
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.
Dedication of General Grant's Tomb (Riverside), New York, N.Y., U.S.A.
Picryl description: Public domain image of a historic building in New York City, free to use, no copyright restrictions.
"Flat Iron" Building, Fifth Avenue and Broadway, New York, N.Y., U.S.A...
Picryl description: Public domain image of a historic building in New York City, free to use, no copyright restrictions.
American Falls from Canadian side, Niagara Falls, U.S.A.
Canada 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 assem... More
Miners going into the slope, Hazelton, Pa., U.S.A.
Picryl description: Public domain image of a locomotive, train tracks, rail transportation, railroad, railway, 19th-20th century, free to use, no copyright restrictions.
Stripping coal at Hazelton, Pa., U.S.A.
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
Trip hammers, steel works, Pittsburg, Pa., U.S.A.
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
Sunshine and shadow, Magnolia Garden, near Charleston, S.C., U.S.A.
North Carolina 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 w... More
Cutting timber in the state of Washington, U.S.A.
Washington State 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... More
Lordly Monarch of the Western Wilds. Snap shot of Wild Elk.
Picryl description: Public domain image of a deer, elk, wild animal, free to use, no copyright restrictions.
Old Faithful Geyser, Yellowstone National Park.
Wyoming 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 asse... More
From Washington Monument East to Capitol over Agricultural Dept. Groun...
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
Breech Mechanism Department (Navy Yard), Washington, D.C., U.S.A.
Picryl description: Public domain image of a factory, plant, manufacture, assembly line, industrial facility, early 20th-century industrial architecture, free to use, no copyright restrictions.
Gateway to Washington - the Union Station.
Picryl description: Public domain image of a historical building, landmark architecture, world heritage, free to use, no copyright restrictions.
Rotunda and Grand Stairway (Congressional Library), Washington, D.C., ...
Picryl description: Public domain image of a historical building, landmark architecture, world heritage, free to use, no copyright restrictions.
!["We'se done all dis's Mornin'." [Girls with basket of cotton in the field.]](https://cache.getarchive.net/Prod/thumb/cdn6/L3Bob3RvLzE4OTkvMTIvMzEvd2VzZS1kb25lLWFsbC1kaXNzLW1vcm5pbi1naXJscy13aXRoLWJhc2tldC1vZi1jb3R0b24taW4tdGhlLWZpZWxkLTU0ZDFkMS02NDAuanBn/40/20/webp "\"We'se done all dis's Mornin'.\" [Girls with basket of cotton in the field.]")
"We'se done all dis's Mornin'." [Girls with basket of cotton in the fi...
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 assembled it over a period of mo... More
General view of a weaving room. Silk industry, South Manchester, Conn....
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
Rolls of dressed fibre. Silk industry (spun silk), South Manchester, C...
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
Hogs, Kansas, U.S.A. Kansas. 19th century stereoscope card.
Kansas 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 assem... More
Four of our submarines in Dry Dock in Government Navy Yard.
Boston 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 Yo... More
Expert workmen, cutting leather for high quality shoes, Massachusetts.
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
A load of logs at the Kettle river landing, Minnesota pineries, U.S.A.
Minnesota 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 as... More
![Wall Street, New York, U.S.A.[street scene, Trinity Church in background].](https://cache.getarchive.net/Prod/thumb/cdn6/L3Bob3RvLzE4OTAvMTIvMzEvd2FsbC1zdHJlZXQtbmV3LXlvcmstdXNhc3RyZWV0LXNjZW5lLXRyaW5pdHktY2h1cmNoLWluLWJhY2tncm91bmQtOTlmYmE2LTY0MC5qcGc%3D/40/19/webp "Wall Street, New York, U.S.A.[street scene, Trinity Church in background].")
Wall Street, New York, U.S.A.[street scene, Trinity Church in backgrou...
Picryl description: Public domain image of a historic building in New York City, free to use, no copyright restrictions.
A Busy Path of Commerce in Central New York - Four Track Railway. Elec...
Picryl description: Public domain image of railroad tracks, train car, railway, free to use, no copyright restrictions.
Corn binder at work, side view, showing rows of bundles, Crawford Coun...
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
Port Blakely Mills, largest in the world, near Seattle, Puget Sound, W...
Washington State 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... More
Mount Tamalpais from Sausalito, San Francisco, Cal., U.S.A.
California 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
The "Empire State," (34 feet in diameter), Calaveras Grove, Cal., U. S...
Picryl description: Public domain image of a world heritage landmark, natural or regular park, free to use, no copyright restrictions.
Cliff House and Seal Rocks, San Francisco, Cal.
California 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
Cocoanut Palm, a fruit in all stages, Lake Worth, Fla.
Florida 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 asse... More
Cactus Garden, Craign Place, Lake Worth, Fla.
Florida 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 asse... More
Century Plant, 25 years old, Washington Park, Chicago, Ill., U.S.A.
Chicago Illinois 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... More
Round-up on the Sherman ranch, Geneseo, Kansas, U.S.A.
Picryl description: Public domain image related to Wild West, western, cowboys, no copyright restrictions image.
Searching for the Dead among the Ruins, Galveston, Texas, U.S.A..
Picryl description: Public domain image of a damaged, burned, or destroyed building, natural disaster, war destruction, ruins, 19th-century architecture, free to use, no copyright restrictions.
From Washington Monument East to Capitol over Agricultural Dept. Groun...
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
Plowing the field for cotton. African Americans, 19th century stereosc...
Picryl description: Public domain image of an 18th-19th century military conflict, armed forces, infantry, militia, free to use, no copyright restrictions.
Port Blakely Mills, largest in the world, near Seattle, Puget Sound, W...
Washington State 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... More
Big ice on the Allenkaket River, Alaska.
Alaska 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 assem... More
Preparing to climb "The Golden Stair" and Peterson's Trail, Chilkoot P...
Alaska 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 assem... More
Starting out for Caribou, Beaver City, Alaska.
Alaska 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 assem... More
O'Neills Point, Grand Canyon of the Colorado, Arizona, U. S. A.
Arizona 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 asse... More
A combined steam harvester which heaps, thrashes and sacks, Calif., U....
California 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
Orange Blossoms and Fruit, Los Angeles, Cal., U.S.A.
California 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
The Wawona Tree, Mariposa Grove, Yosemite Valley, Cal. U.S.A.
Picryl description: Public domain image of trees, forest, park, free to use, no copyright restrictions.
The Wawona Tree, Mariposa Grove, Yosemite Valley, Cal. U.S.A.
California 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
Jacquard loom at work weaving brocade. Silk industry, South Manchester...
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
Roving frame. Silk industry (spun silk), South Manchester, Conn., U.S....
Picryl description: Public domain image of a factory, plant, manufacture, assembly line, industrial facility, early 20th-century industrial architecture, free to use, no copyright restrictions.
Printing cloth. Silk industry, South Manchester, Conn., U.S.A.
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
Rolls of dressed fibre. Silk industry (spun silk), South Manchester, C...
Public domain photograph of 3d object, free to use, no copyright restrictions image - Picryl Description.
Inspecting combed silk. Silk industry (spun silk), South Manchester, C...
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
Banyan tree, Palm Beach, Florida. Florida Sterescope Cards Collection,...
Picryl description: Public domain image of trees, forest, park, free to use, no copyright restrictions.
Cocoanut (Coconut) Grove, Lake Worth, Fla.
Florida 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 asse... More
Shipping green turtle, Key West, Fla.
Florida 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 asse... More
Shipping green turtle, Key West, Fla.
Florida 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 asse... More
![Cocoanut [Coconut] palm, fruit in all stages; Lake Worth, Fla., U.S.A.](https://cache.getarchive.net/Prod/thumb/cdn6/L3Bob3RvLzE5MDAvMTIvMzEvY29jb2FudXQtY29jb251dC1wYWxtLWZydWl0LWluLWFsbC1zdGFnZXMtbGFrZS13b3J0aC1mbGEtdXNhLWE3NTc2OC02NDAuanBn/40/20/webp "Cocoanut [Coconut] palm, fruit in all stages; Lake Worth, Fla., U.S.A.")
Cocoanut [Coconut] palm, fruit in all stages; Lake Worth, Fla., U.S.A.
Florida 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 asse... More
Plantation scene with pickers at work in Georgia.
Georgia 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 asse... More
The Old Constitution training ship, Boston harbor, Mass., U.S.A.
Public domain vintage artistic photograph, 19th century, free to use, no copyright restrictions image - Picryl description.
Monument to the Minute Men, Lexington, Mass., U.S.A.
Public domain photo of a monument, historic place, free to use, no copyright restrictions image - Picryl description
![Lexington Common, Lexington, Mass., U.S.A. [Monument to the Minute Men.]](https://cache.getarchive.net/Prod/thumb/cdn6/L3Bob3RvLzE5MDAvMTIvMzEvbGV4aW5ndG9uLWNvbW1vbi1sZXhpbmd0b24tbWFzcy11c2EtbW9udW1lbnQtdG8tdGhlLW1pbnV0ZS1tZW4tM2I5YTVhLTY0MC5qcGc%3D/40/20/webp "Lexington Common, Lexington, Mass., U.S.A. [Monument to the Minute Men.]")
Lexington Common, Lexington, Mass., U.S.A. [Monument to the Minute Men...
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.
Gates ajar, Como park, St. Paul, Minn., U.S.A.
Minnesota 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 as... More
Stock yards, Kansas City, Missouri. 19th century stereoscope card.
Picryl description: Public domain image related to an industrial revolution, industry history, factory building, free to use, no copyright restrictions image.
Lordly monarch of western wilds, an actual snapshot of a wild elk, Mon...
Montana 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 asse... More
From Mt. Washington, looking North across 'Gulf of Mexico,' N.H., U.S....
Public domain photograph of a mountain pass, mountains, nature, mountain range, view, landscape, rocks, free to use, no copyright restrictions - Picryl description
Automatic machine for filling and capping bottles of milk, Cohocton, N...
Picryl description: Public domain image of an industrial building, factory, workshop, workers, 19th-20th century, free to use, no copyright restrictions.
![Under the Grand Old Flag again, Grand Army Reunion, Buffalo, N.Y., U.S.A., Aug. 25, 1897. [Parade.]](https://cache.getarchive.net/Prod/thumb/cdn6/L3Bob3RvLzE5MDAvMTIvMzEvdW5kZXItdGhlLWdyYW5kLW9sZC1mbGFnLWFnYWluLWdyYW5kLWFybXktcmV1bmlvbi1idWZmYWxvLW55LXVzYS1hdWctMjUtMTg5Ny0wNjRiZTktNjQwLmpwZw%3D%3D/40/20/webp "Under the Grand Old Flag again, Grand Army Reunion, Buffalo, N.Y., U.S.A., Aug. 25, 1897. [Parade.]")
Under the Grand Old Flag again, Grand Army Reunion, Buffalo, N.Y., U.S...
Public domain image of personnel, army, group of people in uniform, parade, historic place, military activity, free to use, no copyright restrictions - Picryl description
Giant hippopotamus. New York Sterecope Card.
Public domain image of cattle, livestock, farm animals, agriculture, free to use, no copyright restrictions - Picryl description
Near view on ice bridge, looking towards Horseshoe Falls, Niagara Fall...
New York State 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 w... More
Niagara Falls (winter), Niagara Falls, N.Y., U.S.A..
New York State 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 w... More
Miners going into the slope, Hazelton, Pa., U.S.A.
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
Openers - First Process in Manufacturing Cotton, Dallas Cotton Mills, ...
Texas 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 assemb... More
President Roosevelt on his arrival at the exposition grounds, accompan...
Virginia 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
The President's bedroom, White House, Washington, D.C., U.S.A.
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
The President's library (White House), Washington, D.C., U.S.A.
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
Warping. Silk industry, South Manchester, Conn., U.S.A.
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
Loading rye in the field, Illinois, U.S.A.
Illinois 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
The whistling elk whose weird, flute-like cry echoes from hill to hill...
Montana 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 asse... More
Up Broadway from Bowling Green, New York, N. Y., U. S. A..
Picryl description: Public domain image of a historic building in New York City, free to use, no copyright restrictions.
General View Sewing Room -- Large Shoe Factory, Syracuse, N.Y.
New York State 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 w... More