Dalton Model 181-4 Adding Machine

Object Details

Dalton Adding Machine Company

Description: 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.; 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.; This closely resembles the Model 181-4 machine described in The Business Machines and Equipment Digest, ca. 1928, Sec 3-1, pp. 14, 19. This was the “Special $100 Machine.”; Compare to MA.336932 and MA.334402.
Location: Currently not on view

1928

Physical Description: steel (overall material); paper (overall material); rubber (overall material); plastic (overall material)
Measurements: 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

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National Museum of American History

GUID (Link to Original Record): https://n2t.net/ark:/65665/ng49ca746a5-0a77-704b-e053-15f76fa0b4fa