J. T. Campbell Adding Machine
date: label: date made
content: 1859
name: label: patentee
content: Campbell, J. T.
label: maker
content: Campbell, J. T.
notes: label: Description
content: This U.S. Patent Office model for a finger-operated adding machine has four metal wheels set flat into a wooden case with a metal top (the fifth wheel is missing). Around the top edge of each wheel are ten short pins labeled clockwise from 0 to 9. Above each wheel is a round opening in the case. The edge of this opening is also labeled clockwise from 0 to 9. The mechanism linking the wheels is out of order. The patent tag is tied to the machine. It reads: 24.990 (/) J.T. Campbell (/) Adding Mch. (/) Patented August 9, (/) 1859.
label: Description
content: John T. Campbell also took out patents for an "Improvement in Portable Fence," U.S. Patent 63,853, April 16, 1867; an “Improvement in Lifting-Tongs,” U.S. Patent 130,194, May 1, 1877; and a 'Revolving Cultivator," U.S. Patent 329137, October 27, 1885.
label: Description
content: According to U.S. Census records and a biographical account, Campbell was born in 1833. Raised near a saw mill in Parke County, Indiana, he worked variously as a carpenter, a surveyor and engineer, and a hotelkeeper. During the Civil War, he organized an infantry regiment to fight for the Northern cause. Captain Campbell was disabled by a war wound. On his return, he obtained various local and state offices. By 1880 he had moved to Indianapolis, where he worked briefly as a clerk in the Indiana State Bureau of Statistics. He then retired to Parke County.
label: Description
content: References:
label: Description
content: U.S. Patent 24990, August 9, 1859.
label: Description
content: A. T. Andreas, <I>Atlas Map of Parke County, Indiana</I>, Chicago, Illinois: by the author, 1874, p. 29.
label: Location
content: Currently not on view
place: label: place made
content: United States: Indiana, Rockville
label: place patented
content: United States: Indiana, Rockville
topic: label: Subject
content: Mathematics
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Adding Machines
label: See more items in
content: Science & Mathematics
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1987.0107.01
label: catalog number
content: 1987.0107.01
label: accession number
content: 1987.0107
objectType: label: Object Name
content: adding machine
label: Object Type
content: Patent Model
physicalDescription: label: Physical Description
content: metal (overall material)
label: Physical Description
content: wood (overall material)
label: Physical Description
content: paper (overall material)
label: Measurements
content: overall: 3 cm x 26.2 cm x 10.5 cm; 1 3/16 in x 10 5/16 in x 4 1/8 in