Protractor
Protractor
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- Description
- The “H. Gregory London” inscription on this brass protractor may refer to Henry Gregory (fl. 1744-1782), a mathematical instrument maker who worked at "The Azimuth Compass, near East India House, Leadenhall St., London."
- Location
- Currently not on view
- Object Name
- Case
- compass, set
- Other Terms
- Case; Commemorative & Association Items
- place made
- United Kingdom: England, London
- Physical Description
- paper, cardboard (overall material)
- leather (overall material)
- fabric, velvet (overall material)
- metal, brass (overall material)
- metal, brass (overall material)
- metal, steel (overall material)
- plastic (overall material)
- Measurements
- average spatial: 2.2 cm x 12 cm x 6.5 cm; 7/8 in x 4 3/4 in x 2 9/16 in
- average spatial: 1.1 cm x 11.5 cm x 6 cm; 7/16 in x 4 1/2 in x 2 3/8 in
- overall, as stored: 3/4 in x 4 3/4 in x 2 3/4 in; 1.905 cm x 12.065 cm x 6.985 cm
- ID Number
- MG.302606.750
- accession number
- 302606
- catalog number
- 302606.750
- 302606.750.02
- Credit Line
- Gift of The Medical and Chirurgical Faculty of the State of Maryland
- See more items in
- Medicine and Science: Medicine
- Data Source
- National Museum of American History
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