Smithsonian - National Museum of American History, Behring Center

 
Physical Sciences Collection - Navigation

Browse Makers | Browse Instruments | Index

Back
 

Azimuth Circle - click to enlarge

Azimuth Circle - click to enlarge

Click image to enlarge.

Azimuth Circle

Catalogue number:
PH*319773

Inscriptions:
"GREGORY, No. 148 near the India House, LONDON"

Dimensions:
diameter 11.25 inches

Discussion:
The signature is that of Henry Gregory (fl. 1744-1782), a mathematical instrument maker who worked at "The Azimuth Compass, near East India House, Leadenhall St., London."

Ref: Gloria Clifton, Directory of British Scientific Instrument Makers 1550-1851 (London, 1995), p. 119.

Further Information:

Azimuth Instrument

Back