Caliper
Caliper
Caliper

Caliper

Object number2019.10.1
Datec. 1777
MediumBrass; Metal
Credit LineTransfer from Carnegie Museum of Natural History, Gift of Edward Gray Craig
DescriptionBrass artillary calipers.DimensionsHeight x Width x Length: 1.1811 × 1.378 × 6.7323 in. (3 × 3.5 × 17.1 cm)
InscriptionsFoot engraved: "Major Isaac Craig / Commissioned / Marine Corps 1773 / 4th Artillery 1777".

One face engraved with vertical columns of numbers on left and numbers and diagonal lines on right.

Labels "PROOF CHARGE" & "DIAMR OF SHOT".

Second side with rule along edges and vertical columns of numbers.
Historical NotesThese calipers were used by Major Isaac Craig during the American Revolutionary War. They were donated to the Carnegie Museum by Edward Gray Craig in June 1928. The donor was the great grandson of Major Issac Craig. Transferred to the Heinz History Center in 2019.
Previous owner (Irish, 1742 - 1826)
Related institution
On View
Not on view
Toolbox
Toolbox
1918-1988
Toolbox
Toolbox
Craftsman
1954-1995
Uniform, Military Dress
Uniform, Military Dress
Waterbury Button Company
1870-1890
Clock
Clock
c. 1800
Image Not Available for Clock, Tall Case
Clock, Tall Case
1830-1880
Image Not Available for Calculator
Calculator
F. W. Woolworth Company
Image Not Available for Chalkboard
Chalkboard
1950s
Slide, Microscope
Slide, Microscope
Scientific Products, Division of American Hospital Supply Corporation
1944
Scoreboard
Scoreboard
1950-1959
Card, Punched
Card, Punched
Westinghouse Electric Corporation
Image Not Available for Clock, Tall Case
Clock, Tall Case
John Parker
c. 1805
Plaque
Plaque
Matthews of Pittsburgh
1894-2002
navigate_beforenavigate_next