Pantograph in Case by Cary of London
date: label: date made
content: from 1789
label: date made
content: 1789-1891
name: label: maker
content: Cary, William
notes: label: Description
content: This pantograph has four linked brass bars with rectangular cross section. The longer bars on the outside are 26 ½ inches long, the shorter bars on the inside 13 ¼ inches long. Two arms on the pantograph are marked for reducing and enlarging, both having with one scale ranging from ½ down to 1/12 and a second scale going from 11/12 down to 2/3. Once the wheels are screwed in, the pantograph slides along a table. This example has a tracer point but no pencil point and no weight. A mark on one arm reads: Cary London. It fits in a shaped wooden case.
label: Description
content: Compare MA.317868, MA.327891, MA.334888, and 2005.0182.8.
label: Description
content: According to Gloria Clifton, William Cary, his descendants and their associates in London sold instruments, including a pantograph, under the name Cary from 1789 until 1891.
label: Description
content: Reference:
label: Description
content: Gloria Clifton, <I>Directory of British Scientific Instrument Makers 1550-1851</I>, Zwemmer, 1995, p. 51.
label: Location
content: Currently not on view
place: label: place made
content: United Kingdom: England, London
topic: label: Subject
content: Mathematics
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Pantographs
label: See more items in
content: Science & Mathematics
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MA.317868
label: accession number
content: 231764
label: catalog number
content: 317868
objectType: label: Object Name
content: Pantograph
physicalDescription: label: Physical Description
content: brass (overall material)
label: Physical Description
content: hardwood (overall material)
label: Physical Description
content: metal (overall material)
label: Measurements
content: overall: 9.5 cm x 70.2 cm x 14 cm; 3 3/4 in x 27 5/8 in x 5 1/2 in