Pendulum Quadrant


Patent model for Robert Norris and Frederick Peters, “Pendulum Quadrant,” U.S. Patent #18701 (1857). Both men lived in New York City. Their instrument was designed for taking latitudes at sea.

Date Made: 1857

Location: Currently not on view

Place Made: United States: New York, New York

See more items in: Medicine and Science: Physical Sciences, Measuring & Mapping


Exhibition Location:

Data Source: National Museum of American History

Id Number: PH.309356Catalog Number: 309356Accession Number: 89797Patent Number: 18,701

Object Name: QuadrantObject Type: Patent Model

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


Record Id: nmah_1167871

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