Surveying altimeter, American, 1854-1870

Made:
1854-1870 in United States
maker:
Hall Colby
Surveying altimeter No 1, invented by Hall Colby, New York

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Surveying altimeter No 1, invented by Hall Colby, New York
Science Museum Group
© The Board of Trustees of the Science Museum

Surveying altimeter No 1, invented by Hall Colby, New York, United States, 1854-1870

Details

Category:
Surveying
Object Number:
1984-2
type:
surveying altimeter
credit:
Antiquarian Scientist