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Sprague, Frank J. (Frank Julian), 1857-1934
collection
Frank J. Sprague papers
12
genre
Sketches
7
notes (documents)
4
Correspondence
1
Photographs
1
Portraits
1
division
Manuscripts and Archives Division
12
type
still image
11
text
6
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Name
: Sprague, Frank J. (Frank Julian), 1857-1934
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Ink sketch of trolley pole
Support for overhead electric…
m
Frank Sprague: about 1888, th…
m
Seamanship Notes
Electric Light
Electric Motor
Drawing of Electrical Circuits
m
Drawings of Floor Planer
Electric Railways main featur…
Car switch for operating pilo…
Some ideas to be inserted int…
1888 June 15-1889 June 10, p.…
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