Standards for the alignment at upper floor of central shaft

Standards for the alignment at upper floor of central shaft

Item Information

Title:
Standards for the alignment at upper floor of central shaft
Name on Item:
Benj. D. Frost, Engineer, Hoosac Tunnel, North Adams, Mass., May 30.1871
Date:
[ca. 1860–1879]
Format:
Drawings/Illustrations
Genre:
Engineering drawings
Location:
North Adams Public Library
Special Collections
FF (shelf locator)
Collection (local):
Hoosac Tunnel Collection
Subjects:
Mining equipment
Places:
Massachusetts > Berkshire (county) > Hoosac Tunnel
Extent:
1 drawing : on vellum
Permalink:
https://ark.digitalcommonwealth.org/ark:/50959/fj236330j
Terms of Use:
Rights status not evaluated.
Contact host institution for more information.
Notes:
Title from item.
Notes (date):
Date supplied by cataloger.
Identifier:
2002-1-28