[ ]
Collapse
[ ]
Expand
Creators:
Engineering and Industry, Division of, NMAH, SI.
Dates:
1870 - 1880
Level:
item
Size:
1 Item (Ink on paper., 6.5" x 4.2")
Collection ID:
NMAH.AC.0225
Repository:
Archives Center, National Museum of American History
[ ]
Collapse
[ ]
Expand
Dates:
circa 1888-1890
Level:
file
Collection ID:
NMAH.AC.0225
Repository:
Archives Center, National Museum of American History

Technical notes and data on steam engines and other machinery.

[ ]
Collapse
[ ]
Expand
Creators:
Engineering and Industry, Division of, NMAH, SI.
Dates:
1867
Level:
item
Size:
1 Item (Ink on paper., 7.6" x 4.7")
Collection ID:
NMAH.AC.0225
Repository:
Archives Center, National Museum of American History
[ ]
Collapse
[ ]
Expand
Creators:
Engineering and Industry, Division of, NMAH, SI.
Dates:
December 1889
Level:
item
Size:
1 Item (Ink on paper., 9.4" x 7.5")
Collection ID:
NMAH.AC.0225
Repository:
Archives Center, National Museum of American History

Diagrams and figures for locomotive boiler parts.

[ ]
Collapse
[ ]
Expand
Creators:
Engineering and Industry, Division of, NMAH, SI.
Dates:
1870 - 1880
Level:
item
Size:
1 Item (Ink on paper., 10.5" x 8.0")
Collection ID:
NMAH.AC.0225
Repository:
Archives Center, National Museum of American History
[ ]
Collapse
[ ]
Expand
Creators:
Engineering and Industry, Division of, NMAH, SI.
Dates:
1899 - 1912
Level:
item
Size:
1 Item (Ink on paper., 7.3" x 4.5")
Collection ID:
NMAH.AC.0225
Repository:
Archives Center, National Museum of American History
[ ]
Collapse
[ ]
Expand
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.
More …
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
[ ]
Collapse
[ ]
Expand
Creators:
Engineering and Industry, Division of, NMAH, SI.
Dates:
1835-1930
Size:
0.3 Cubic feet (1 box )
Collection ID:
NMAH.AC.0225
Repository:
Archives Center, National Museum of American History

Collection of personal notebooks of civil engineers.

Found In
[ ]
Collapse
[ ]
Expand
Dates:
1867
Level:
file
Collection ID:
NMAH.AC.0225
Repository:
Archives Center, National Museum of American History

List of gears and other patterns belonging to W & B Iron Works (includes technical descriptions of gears.

[ ]
Collapse
[ ]
Expand
Dates:
circa 1835-1840
Level:
file
Collection ID:
NMAH.AC.0225
Repository:
Archives Center, National Museum of American History

Notes, drawings, data on railroad installations and operations, and waterworks