Dalton Model 181-4 Adding Machine
date: label: date made
content: 1928
name: label: maker
content: Dalton Adding Machine Company
notes: label: Description
content: This ten-key printing manual adding machine has a brown case and two rows of white plastic keys with digits and complementary numbers for subtraction. Multiply and non-add keys are on the left, and backspace and subtract keys on the right. The place indicator is above the keyboard, with a metal correction key to the left of it. Above and to the right are release, total, and subtotal keys. The printing mechanism and narrow carriage are toward the back; the ribbon prints in both red and black. In addition to entries and totals, the machine prints symbols that indicate totals and subtotals. The non-print key is next to the ribbon. A 2-1/2” paper tape is in place. A serrated edge above the platen is used to tear the paper tape. The metal crank with wooden handle is on the right. The handle is covered with a brown cracking substance. There are four rubber feet. The machine accepts entries of up to eight digits and prints results of up to eight digits.
label: Description
content: The machine is marked on the front: Dalton (/) CINCINNATI, OHIO. (/) U.S.A. It is marked below the crank with the serial number: NO209439. It is marked on the place indicator with the model number: 181. It is marked on the inside of the cover: 9-7-64.
label: Description
content: This closely resembles the Model 181-4 machine described in <I>The Business Machines and Equipment Digest</I>, ca. 1928, Sec 3-1, pp. 14, 19. This was the “Special $100 Machine.”
label: Description
content: Compare to MA.336932 and MA.334402.
label: Location
content: Currently not on view
place: label: place made
content: United States: Ohio, Cincinnati
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: 1990.0316.03
label: accession number
content: 1990.0316
label: maker number
content: 209439
label: catalog number
content: 333874
objectType: label: Object Name
content: adding machine
physicalDescription: label: Physical Description
content: steel (overall material)
label: Physical Description
content: paper (overall material)
label: Physical Description
content: rubber (overall material)
label: Physical Description
content: plastic (overall material)
label: Measurements
content: overall: 38 cm x 29.8 cm x 36.5 cm; 14 31/32 in x 11 23/32 in x 14 3/8 in