Pendulum Quadrant

Pendulum Quadrant

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Description
This is the model that Robert Norris and Frederick Peters, both of New York City, submitted with their application for a patent for an instrument for taking latitudes at sea. Little is known of either man, and there is no record of their invention having been put to use.
Ref: Robert Norris and Frederick Peters, “Pendulum Quadrant,” U.S. Patent #18701 (1857).
Location
Currently not on view
Object Name
Quadrant
Object Type
Patent Model
date made
1857
place made
United States: New York, New York
Measurements
overall: 2 1/2 in x 13 3/4 in x 11 in; 6.35 cm x 34.925 cm x 27.94 cm
ID Number
PH.309356
catalog number
309356
accession number
89797
patent number
18,701
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Medicine and Science: Physical Sciences
Measuring & Mapping
Data Source
National Museum of American History
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