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Item#TypeModel No.Model NameMakerCountryMaterialDiameterDateCondition
Fowler's Calculator - Type HFowler & Co.UKCast metal (early)"2-1/2"c. 1915-1923

Notes: Brass metal box/case. Cast case has some metal missing on both edges adjacent to glass (does not affect operation). Large knob rotates front dial only. Small knob rotates cursor on front and dial on rear. Serial number 2947.

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