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Sprague, Frank J. (Frank Julian), 1857-1934
Underwood & Underwood
1
collection
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Frank J. Sprague papers
genre
Sketches
11
notes (documents)
4
Mechanical drawings
3
Photographs
3
Portraits
3
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division
Manuscripts and Archives Division
20
type
still image
19
text
8
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Name
: Sprague, Frank J. (Frank Julian), 1857-1934
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Collection
: Frank J. Sprague papers
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An automatic razor strip for …
Ink sketch of boat for canal …
Ink sketch of trolley pole
Support for overhead electric…
m
Seated portrait of Frank Spra…
m
Frank Sprague: President Spra…
m
Frank Sprague: about 1888, th…
m
Seamanship Notes
Electric Light
Electric Motor
Sketch of an arrangement for …
Drawing of Electrical Circuits
m
Drawings of Floor Planer
Electric Railways main featur…
Control for automatic elevator
Car switch for operating pilo…
M.U. Control Connections on b…
Some ideas to be inserted int…
Tabulation of locomotive prop…
1888 June 15-1889 June 10, p.…
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