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W
Walther RKZ
Walther RKZ 10
Walther WSR 160
Webb Adder
Weiskircher Rechen-Maschine
Wichmann Nr. 1192 Planimeter
Wichmann Nr. 1418 RIII Rechenschieber
Wichmann Nr. 1428 Rechenschieber
Wolverine Adding Machine
World Currency Converter, Fielding's
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