Pamphlet, Directions for Operating the Comptograph
date: label: date made
content: ca 1890
name: label: maker
content: Felt & Tarrant Mfg. Co.
notes: label: Description
content: This pamphlet gives instructions for operating the wooden box version of a printing adding machine known as the Comptograph. The document was received with a later model of a related machine known as the Comptometer (see MA.335357).
label: Description
content: Reference:
label: Description
content: P. A. Kidwell, “American Scientists and Calculating Machines: From Novelty to Commonplace,” <I>Annals of the History of Computing</I>, 12, 1990, pp. 31-40.
label: Location
content: Currently not on view
place: label: place made
content: United States: Illinois, Chicago
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
creditLine: label: Credit Line
content: Gift of John William Christopher Draper and James Christopher Draper
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MA.304826.136
label: accession number
content: 304826
label: catalog number
content: 304826.136
objectType: label: Object Name
content: Pamphlet
label: Object Name
content: pamphlet
physicalDescription: label: Physical Description
content: paper (overall material)
label: Measurements
content: overall: 12.3 cm x 16.6 cm; 4 27/32 in x 6 17/32 in