Object Details
- Felt & Tarrant Manufacturing Company
- Description
- This full keyboard non-printing adding machine has a brown metal frame and mechanism with plastic keys. The eight columns of color-coded green and white octagonal keys include nine keys in each column. Odd-numbered keys are concave, even-numbered ones flat. Complementary digits are indicated. A row of subtraction levers is below the number keys. Digits in the running total appear in a set of nine windows in front of the keys. A red button is to the right of the keyboard releases the keyboard afer a partial keystroke error has been corrected. A metal zeroing lever is on the right side. A rubber cord attaches to the back. The on/off switch is on the front at the top right.
- The machine is marked on the left corner of the top of the case: K350690. It is marked on the front and back sides: Comptometer.
- According to “Date of Manufacturing by Serial Number. . .,” Lewiston, Idaho: Office Machine Americana, 2002 (relying on the NOMDA “Blue Book” for May, 1975), Felt & Tarrant introduced the Model K with serial number 350000 in 1934.
- Location
- Currently not on view
- Credit Line
- Gift of Myron R. Smith
- 1934
- ID Number
- 1989.0325.03
- maker number
- K350690
- catalog number
- 1989.0325.03
- accession number
- 1989.0325
- Object Name
- adding machine
- Physical Description
- rubber (overall material)
- plastic (overall material)
- metal (overall material)
- Measurements
- overall: 14.8 cm x 25 cm x 32.2 cm; 5 13/16 in x 9 27/32 in x 12 11/16 in
- place made
- United States: Illinois, Chicago
- See more items in
- Medicine and Science: Mathematics
- Adding Machines
- Science & Mathematics
- National Museum of American History
- Subject
- Mathematics
- Record ID
- nmah_690483
- GUID (Link to Original Record)
- https://n2t.net/ark:/65665/ng49ca746a5-1a98-704b-e053-15f76fa0b4fa
