Archive of Collections



Details and Image



Item#TypeModel No.Model NameMakerCountryMaterialDiameterDateCondition
HAL004Pocket
2122
Halden's CalculexJoseph HaldenUKSilver"2-7/16"c. 1910 - 1914
C5

Notes: Hopp Type 1a. Silver variety of calculator and comes in a plastic pill box case. Glass cursors with thin beveled edge.

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