Browse Items (2 total)

2018-70-102-048 wm.jpg
Ingersoll Milling Machine Company Duplex Swivel Head Machine for making tunnel segments for the Pennsylvania Railroad. Photo is part of a Machine Photo Record assembled by J.R. Johnson to show machines built by Ingersoll between 1892-1919. Most…

2018-70-102-043 wm.jpg
Ingersoll Milling Machine Company "I" Machine. This machine was manufactured for companies in New York State who were building tunnels under the New York river for the Pennsylvania Railroad. Photograph 29A shows J.L. Davidson, General Foreman of the…
Output Formats

atom, dcmes-xml, json, omeka-xml, rss2