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Item#TypeModel No.ScalesModel NameMakerCountrySerial No.Case MaterialLenght Open (Closed)DateCondition
430 / 429Otis King's Patent Calculator"Carbic, Ltd. "UKA7602Nickel Plated Brass"10-3/4" (6-1/2")"1927

Notes: "Top cap has triangle shaped chain loop with Made in England. Scale set is fourth version of model L scales and are black on white. Carbic Ltd. address at 51 Holborn Viaduct, London."

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