27 records — Page 1 of 2
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Creators:
Work and Industry, Division of, NMAH, SI
Calumet and Hecla Mining Company.
Leavitt, Erasmus D., 1836-1916
Mechanical and Civil Engineering, Division of [former name], NMAH, SI.
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Dates:
1871-1917
Size:
20.4 Cubic feet (3 boxes, 82 folders)
Collection ID:
NMAH.AC.0966
Repository:
Archives Center, National Museum of American History

Tracings on linen of steam engines of all types, pumping, histing, air compressing, mining, material handling, power transmission, mine structures, mining machinery, and buildings by Erasmus D. Leavitt, Jr. for Calumet Heclas, Inc. of Calumet, Michigan.

Found In
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Level:
item
Collection ID:
NMAH.AC.0360
Repository:
Archives Center, National Museum of American History
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Level:
file
Collection ID:
Record Unit 81
Repository:
Smithsonian Institution Archives
27 records — Page 1 of 2