Description:
- Object ID: ALSA 2008.02.04
- Made by: Hewlett Packard
- Model: HP21
- Serial Number: 1607S19611
- Date Made: circa 1975 to 1978.
- Approximate size: 13 cm (l) x 7.cm (W) x 3 cm (top) and 2.5 cm (bottom) thick
- Accessories: charger
- Condition: good
Commentary:
Hand held calculator Hewlett Packard Model 21 S/N 1607S19611. This calculator is in a tan molded plastic case 13 cm (l) x 7.cm (W) x 3 cm (top) and 2.5 cm (bottom) thick. It has 30 raised keys that are black, tan and one blue in color. The keyboard and the keys have multi function labelling. There are “OFF-ON” and a “DEG – RAD” switches at the top of the keyboard and a label ” HEWLETT PACKARD 21″ at the bottom of the keyboard. There is a red LED display screen 5.4 cm(l) x 1.5 cm (h) at the top of the keyboard. The back is embossed with a SERIAL NO. “1607S19611”, as well as a printed metallic label “HEWLETT- PACKARD MADE IN SINGAPORE 2.5V 500mW”.
Source of Object: Donated by Kinloch Underwood Associates Ltd.
Notes:
References: Visit the article Finally, Computers could be taken to the Field for additional information. Also see https://www.hpmuseum.org/hp21.htm.
Description by: Updated by Ed Titanich, October 1, 2024.