Analog Computing Component - Screw Multiplier?

Analog Computing Component - Screw Multiplier?

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Description
This relatively large device has an aluminum platform with framing pieces and gears. The frame carries two grooved slides that move crosswise and a third that moves perpendicular to them. The motion of the perpendicular piece is controlled by the rotation of two parallel screws.
A mark on one of the grooved pieces reads: TR R d. A mark on one piece of the frame reads: 18-S4. A mark on the opposite piece of the frame reads: 18-S5. The plastic tag is missing.
A screw multiplier is listed in the accession file as Ford Instrument Company #66. The description reads: Performs multiplication functions. This was originally a three unit multiplier, however, it has been canabilized [sic] to the extent that only one unit is left.”
Reference:
Accession file.
Location
Currently not on view
Object Name
analog computing component
Other Terms
Screw Multiplier (?)
maker
Ford Instrument Company
place made
United States: New York, Queens, Long Island City
Physical Description
metal (overall material)
Measurements
overall: 9 cm x 37 cm x 38.3 cm; 3 17/32 in x 14 9/16 in x 15 3/32 in
ID Number
1982.0751.31
accession number
1982.0751
catalog number
1982.0751.31
Credit Line
Ford Instrument Company, Division of Sperry Rand Corporation
subject
Mathematics
See more items in
Medicine and Science: Mathematics
Data Source
National Museum of American History
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