Unitrex 91PM Handheld Electronic Calculator
Object Details
- Eiko Business Machine Company
- Description
- This handheld electronic calculator has a gray and black plastic case with an array of twenty-three square plastic keys. These include ten digit keys, a decimal point key, a total key, four arithmetic function keys, four memory keys, a percentage key, a clear key, and a clear entry key. Right of the top three keys is an on/off switch. Behind this is an eight-digit red LED display. A mark behind this reads: UNITREX 91PM.
- A power jack is on the right side near the bottom.
- The back of the calculator has a compartment for a nine-volt battery at the top. A sticker below this reads: ELECTRONIC CALCULATOR (/) DC 9 VOLT (/) USE 1 PIECE 9 V BATTERY (/) MADE IN HONG KONG.
- Reference:
- [Advertisement], Chicago Tribune, January 30, 1977, p. M1. Calculator on sale for $8.88, regularly $9.95. “Save $2”!
- Location
- Currently not on view
- Credit Line
- Gift of John B. Priser
- ca 1977
- ID Number
- 1986.0988.243
- catalog number
- 1986.0988.243
- accession number
- 1986.0988
- Object Name
- electronic calculator
- Physical Description
- plastic (case; keys material)
- metal (circuitry material)
- paper (sticker material)
- Measurements
- overall: 1 in x 2 in x 5 3/8 in; 2.54 cm x 5.08 cm x 13.6525 cm
- place made
- China: Hong Kong
- See more items in
- Medicine and Science: Computers
- Computers & Business Machines
- Handheld Electronic Calculators
- National Museum of American History
- Record ID
- nmah_1305773
- Metadata Usage (text)
- CC0
- GUID (Link to Original Record)
- https://n2t.net/ark:/65665/ng49ca746b2-b815-704b-e053-15f76fa0b4fa
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