P. R. R. shops’ Altoona, Pa. turn-table, in western round-house.

Public domain image of a train station in Boston, Massachusetts, free to use, no copyright restrictions - Picryl description

pennsylvania pennsylvania railroad allegheny mountains altoona pa railroad roundhouses turntables railroads high resolution bonine r a photographer stereoscopic views shops altoona shops altoona turn table round house united states allegheny railroad robert dennis collection of stereoscopic views 19th century history of pennsylvania world heritage architecture historic place nypl historic massachusetts

1858 - 1900

New York Public Library

http://digitalcollections.nypl.org/

Creative Commons CC0 1.0 Universal Public Domain Dedication ("CCO 1.0 Dedication")