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The new air compressors which furnish power to drive the drills, about 500 feet below the surface of the earth.

description

Summary

Picryl description: Public domain image related to an industrial revolution, mill, factory, free to use, no copyright restrictions image.

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label_outline

Tags

massachusetts hoosac tunnel mass tunnels air compressors hurd ward publisher stereoscopic views air compressors power drive drills surface earth united states robert dennis collection of stereoscopic views ultra high resolution high resolution industrial history new york public library
date_range

Date

1850 - 1930
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Source

New York Public Library
link

Link

https://digitalcollections.nypl.org/
copyright

Copyright info

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

label_outline Explore Hurd Ward Publisher, Air Compressors, Tunnels

Topics

massachusetts hoosac tunnel mass tunnels air compressors hurd ward publisher stereoscopic views air compressors power drive drills surface earth united states robert dennis collection of stereoscopic views ultra high resolution high resolution industrial history new york public library