Cox Stadia Computer

Description (Brief)
Celluloid, circular slide rule for determining elevation measurements to be used with transit telescopes. It is a flat, square panel with dial attached over the center. An image of a telescope appears in black and white on the reverse. It is an advertisement for W. & L. E. Gurley, "Makers of Civil Engineers and Surveyors Instruments," a company established in 1845.
Location
Currently not on view
Object Name
calculating rule
date made
after 1899
advertiser
W. & L. E. Gurley
maker
Whitehead & Hoag Company
Physical Description
cellulose nitrate (overall material)
Measurements
overall: 15 cm x 15 cm; 5 7/8 in x 5 7/8 in
place made
United States: New Jersey, Newark
referenced
United States: New York, Troy
ID Number
2006.0098.0524
accession number
2006.0098
catalog number
2006.0098.0524
subject
Celluloid
Surveying
Advertising
See more items in
Medicine and Science: Chemistry
Celluloid
Data Source
National Museum of American History, Kenneth E. Behring Center
Additional Media

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