A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Some convenient methods especially suited to the conditions. Plumbing vertical shafts, surveying inclined shafts, methods for instruments commanding any vertical angle, also for those without extra attachments. (5000 w.)
Some convenient methods especially suited to the conditions. Plumbing vertical shafts, surveying inclined shafts, methods for instruments commanding any vertical angle, also for those without extra attachments. (5000 w.)
Rocky Mt. mine surveying
Mines Min
Barrell, Joseph (author)
1899
Ill.
Article (Journal)
English
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