Adie Box Sextant

Description
This has a silvered scale that is graduated every 30 minutes from -3° to +150° and read by vernier with swinging magnifier to single minutes of arc. The "Adie, London" inscription refers to Patrick Adie, an instrument maker who was in business in London from 1848 to 1886. Adie's father was a famous instrument maker in Edinburgh.
Ref: Gloria Clifton, Directory of British Scientific Instrument Makers 1550-1851 (London, 1995), p. 4.
Location
Currently not on view
Object Name
box sextant
date made
mid 19th century
maker
Adie, Patrick
Measurements
overall: 3 1/4 in; 8.255 cm
place made
United Kingdom: England, London
ID Number
PH*328762
catalog number
328762
accession number
308252
subject
Measuring & Mapping
Navigation
See more items in
Medicine and Science: Physical Sciences
Navigation
Data Source
National Museum of American History, Kenneth E. Behring Center
Additional Media

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