Object Details
- Unisonic
- Description
- This handheld electronic calculator has a black- and silver-colored plastic case with an array of nineteen square plastic keys. These include ten digit keys and a decimal point key (white) as well as four arithmetic function keys, a total key, a clear key, and a clear entry key (turquoise). The percentage key is orange. Above the keys and on the right is an on/off switch. Above this, on the left, a mark reads: Unisonic 811. Behind this is an eight-digit green vacuum fluorescent display. A power jack is on the back edge.
- A paper sticker on the back gives calculation examples. It reads in part: 811-A. It also reads: SERIAL NO. (/) 143884 (/) MADE IN JAPAN. Below this is a compartment for four 1.5V AAA batteries.
- Compare 1986.0988.113 (a Unisonic 830-A).
- Reference:
- [Advertisement], Chicago Tribune, September 4, 1975, p. S4. A different version of the Unisonic 811 advertised as selling for $15.88.
- The calculator.org website dates the Unisonic 811 to 1976.
- Location
- Currently not on view
- Credit Line
- Gift of John B. Priser
- ca 1976
- ID Number
- 1986.0988.114
- accession number
- 1986.0988
- catalog number
- 1986.0988.114
- Object Name
- electronic calculator
- Other Terms
- electronic calculator; Handheld
- Physical Description
- plastic (case; keys material)
- metal (top of case; circuitry material)
- glass (display material)
- paper (sticker material)
- Measurements
- overall: 1 in x 3 1/8 in x 5 1/4 in; 2.54 cm x 7.9375 cm x 13.335 cm
- place made
- Japan
- See more items in
- Medicine and Science: Computers
- Computers & Business Machines
- Handheld Electronic Calculators
- National Museum of American History
- Record ID
- nmah_334528
- GUID (Link to Original Record)
- https://n2t.net/ark:/65665/ng49ca746a1-37d1-704b-e053-15f76fa0b4fa
