overall: 1 in x 2 1/8 in x 6 1/8 in; 2.54 cm x 5.3975 cm x 15.5575 cm
Object Name:
electronic calculator
Other Terms:
electronic calculator; Handheld
Place made:
Mexico
Date made:
ca 1975
Description:
This handheld electronic calculator has a black plastic case and eighteen square sloping plastic keys (two of which are rectangular). These include nine digit keys, a zero and decimal point bar, four arithmetic function keys, a total key, a % key and a clear/clear entry key. To the right of the three uppermost keys is an on/off switch. A mark above the eight-digit LED display reads: Sears. A jack for a power cord is on the right side.
At the top of the back of the case is a compartment for three AA batteries. A sticker at the bottom of the case reads: SEARS (/) MODEL (/) NO. 728.5822 SERIAL (/) NO. 308598. It also reads: ASSEMBLED (/) IN MEXICO.
This calculator has a slot for a “wood-grained roll top” such as was used on some other Sears calculators of the era. It has no top.
References:
Guy Ball and Bruce Flamm, <I>The Complete Collector’s Guide to Pocket Calculators</I>, Tustin, CA: Wilson/Barnett Printing, 1997, p. 136.
Sears, Roebuck and Co., <I>Sears Spring and Summer 1975 [Catalog]</I>, 1975, p. 1094. A Sears 5822C electronic calculator, which looks very much like this one, is advertised as offered for $35.50.
