Texas Instruments 9131 Power Adapter

This black plastic power adapter has metal prongs to fit into a wall socket and a plastic-covered plug to fit into a calculator. A mark on the object reads in part: TEXAS INSTRUMENTS (/) POWER (/) SUPPLY (/) ASSY IN U.S.A. (/) ADAPTER (/) MODEL AC 9131 (/) 4276.
This adapter was used with the Texas Instruments SR-40 calculator (for an example see 1986.0988.049) and the Texas Instruments Programmable 59 calculator (for an example see 1990.0609.01).
Currently not on view
Object Name
power supply
date made
Texas Instruments
Physical Description
plastic (case; cord material)
metal (circuitry material)
overall: 2 1/2 in x 2 1/8 in x 2 in; 6.35 cm x 5.3975 cm x 5.08 cm
place made
United States
ID Number
catalog number
accession number
Computers & Business Machines
Handheld Electronic Calculators
See more items in
Medicine and Science: Computers
Handheld Electronic Calculators
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Gift of John B. Priser

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