Photographs Associated with L. Leland Locke
date: label: date made
content: ca 1920
notes: label: Description
content: These black-and-white photographs of calculating machines, calculating machine mechanisms, and related images were assembled by the mathematics teacher and historian of mathematics L.Leland Locke. Included are:
label: Description
content: 1. two views of the Rhind papyrus at the British Museum
label: Description
content: 2. one view of a Babylonian clay tablet used as a multiplication and division table
label: Description
content: 3. one view of a Japanese abacus
label: Description
content: 4. three views of a Pascal adding machine - two of these are drawings and one is a photograph of a machine
label: Description
content: 5. four photographs of the Leibniz calculating machine, disassembled.
label: Description
content: 6. two photographs of drawings of the mechanism of a Thomas arithmometer and one photograph of a later stepped drum calculating machine
label: Description
content: 7. three photographs of the Warren calculating machine
label: Description
content: 8. six photographs of the Verea calculating machine
label: Description
content: 9. six photographs of and one photograph of a drawing of the Baldwin calculating machines of 1875. Compare to MA.310229 and MA.252698.
label: Description
content: 10. eight photographs of the Baldwin calculating machine of 1902 or so. Compare to MA.307384.
label: Description
content: 11. two photographs of the mechanism of a Millionaire calculating machine.
label: Description
content: 12. two images, one of the mechanism of a Mercedes-Euklid calculating
label: Description
content: machine and the other an illustration of multiplier-quotient dials. These are from the article L. Leland Locke, “Mathematics of the Calculating Machine, II,” Mathematics Teacher 15 (February 1924), 78-86.
label: Description
content: 13. three photographs of adding machine sections. Two of these are sections of an early Comptometer. One is unidentified.
label: Description
content: 14. four unidentified photographs of calculating machine parts.
label: Description
content: 15. one photograph of a drawing for an unidentified article.
label: Description
content: 16. three photographs showing the same two men. One of them may be L.Leland Locke.
label: Location
content: Currently not on view
topic: label: Subject
content: Mathematics
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Calculating Machines
creditLine: label: Credit Line
content: Gift of Grove City College
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 2011.3051.03
label: catalog number
content: 2011.3051.03
label: nonaccession number
content: 2011.3051
objectType: label: Object Name
content: photographs, group of
physicalDescription: label: Measurements
content: overall: 2 cm x 23 cm x 29 cm; 25/32 in x 9 1/16 in x 11 13/32 in