Bridge under construction. 19th century stereoscopic views of Pennsylvania.
Summary
Picryl description: Public domain image of a construction site, works, 20th-century industrial architecture, free to use, no copyright restrictions.
Tags
pennsylvania
railroad bridges
stereoscopic views
bridge
construction
united states
robert dennis collection of stereoscopic views
history of pennsylvania
ultra high resolution
high resolution
industrial history
new york public library
Date
1850 - 1930
Source
New York Public Library
Link
Copyright info
Creative Commons CC0 1.0 Universal Public Domain Dedication ("CCO 1.0 Dedication")