Object Details
- Felt & Tarrant Manufacturing Company
- Description
- This full-keyboard non-printing adding machine has a gray-brown metal case and sits on a rectangular wooden base. There are eight columns of black and white color-coded plastic keys, with complementary numbers indicated on the keys. Keys for odd digits are concave, and those for even digits are flat. At the front of the machine are eight subtraction levers and eight decimal markers, as well as nine windows that reveal the totals shown on numeral wheels below. The zeroing handle is on the side.
- The machine is marked on the left front with serial number: 47412. A metal tag behind the keys has several patent dates, the most recent being: SEP. 19. 11.
- Location
- Currently not on view
- Credit Line
- Gift of Felt & Tarrant Manufacturing Company
- 1912
- ID Number
- MA.273037
- accession number
- 54245
- maker number
- 47413
- catalog number
- 273037
- Object Name
- adding machine
- Physical Description
- metal (overall material)
- wood (overall material)
- plastic (overall material)
- Measurements
- overall: 17 cm x 25 cm x 38.8 cm; 6 11/16 in x 9 27/32 in x 15 9/32 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_690147
- GUID (Link to Original Record)
- https://n2t.net/ark:/65665/ng49ca746a5-1004-704b-e053-15f76fa0b4fa
