Serial number is inside battery compartment. There are two squares of Velcro on the bottom. Also inlcuded with artifact is an abrasive card for cleaning the recording head of the calculator.
Date
1974
Manufacturer
Hewlett-Packard Company (HP)
Place Manufactured
U.S.
Identifying Numbers
Model number
HP-65A
Serial number
1333A19491
Dimensions
1 1/2 x 3 1/2 x 6 1/4 in.
Category
Calculator/electronic
Subject
Electronic calculation; Programmable; Magnetic card; Technical calculation
