The object is a key punch apparently used to custom-punch standard IBM cards. The object has 14 buttons total. The keys are numbers only (0-9) plus one key labeled "X," plus 3 unlabeled. An information card attached to the top of the object provides key conbination codes (for example, an "A" is 12 plus 1). On the front is an on/off switch and 2 fuses. On the back is a power cord with a 3-pronged plug.
Manufacturer
IBM
Identifying Numbers
Other number
010 10719 CS
Embossed on a metal plate on the back of the object
Other number
84-603-01
Written on the bottom of the object
Other number
93.978.01A
LLNL deprecated number, written on the top of the object