Pair of 6-inch brass callipers with sector

Made:
1720-1753 in London
manufacturer:
Thomas Heath

Pair of 6-inch brass callipers with sector, by Thomas Heath in pocket leather case

Details

Category:
Mathematics
Object Number:
1921-241
Materials:
brass and case, leather
Measurements:
overall - closed: 5 x 175 x 46 mm
case: 15 x 180 x 60 mm
type:
drawing instruments and callipers
credit:
Thomas H. Court