Object Details
- J.C. Penney Company
- Description
- This four-function calculator has a tan plastic case, an array of ten oval digit keys, and a decimal point key. It also has four blue arithmetic function keys to the right of these and has clear entry and clear keys to the left. A constant switch is above the clear keys. The on/off switch is on the right above the keyboard. A mark to the left of it reads: JCPenney. The eight-digit LED display is at the back. The back edge has a socket for a power adapter.
- A sticker on the back reads: JCPenney (/) Electronic Calculator (/) VOLTAGE 6V CURRENT 0.2A (/) MODEL MM3R SERIAL No. 126131 (/) Made in U.S. A.
- This model is similar to the Commodore MM3R and probably was made by Commodore.
- J. C. Penney is a chain of American department stores.
- Reference:
- Guy Ball and Bruce Flamm, The Complete Collector’s Guide to Pocket Calculators, Tustin, CA: Wilson/Barnett, 1997, pp. 81–82.
- Location
- Currently not on view
- Credit Line
- Gift of John B. Priser
- ca 1975
- ID Number
- 1986.0988.271
- catalog number
- 1986.0988.271
- accession number
- 1986.0988
- Object Name
- electronic calculator
- Physical Description
- plastic (case; display cover; keys material)
- gallium arsenide (display chips material)
- metal (circuitry material)
- paper (sticker material)
- Measurements
- overall: 2.5 cm x 7.4 cm x 10 cm; 31/32 in x 2 29/32 in x 3 15/16 in
- place made
- United States
- See more items in
- Medicine and Science: Computers
- Computers & Business Machines
- Handheld Electronic Calculators
- National Museum of American History
- Record ID
- nmah_1305804
- GUID (Link to Original Record)
- https://n2t.net/ark:/65665/ng49ca746ab-f249-704b-e053-15f76fa0b4fa
