Desktop Calculator Collection Page updated 2/4/99
& Tarrant Comptometer
The first really popular office adding machine. Not electric, no crank - works by keypresses alone.
The Comptometer can add, subtract, multiply, and even divide (but that's more trouble than it's worth).
Friden Model 1162
An early electronic desktop calculator, 4 function plus memory and
Display is a 3-inch green crt with two rows of digits about .3" high. (SOLD)
Eldorado Electrodata "Director Two"
A very early four function machine with orange flourescent displays (not Nixies). Made in USA.
Sharp EL-803 (Japan)
Has individual green vacuum-flourescent display tube for each digit.
A few of the digits are intermittent on this example.
Royal 8K Type EC-34 (Japan) Green VF display panel.
Sharp Compet 623B (Japan)
A printing-only (no display) adding machine with a folding keyboard and carrying handle.
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