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Item#TypeModel No.Model NameMakerCountryMaterialDiameterDateCondition
Fowler's Long Scale CalculatorFowler's Calculators Ltd.UKCast metal (late)"2-1/2"c. 1960-1964

Notes: Last version of Fowler's Long Scale Calculator. Short and long scale on front and short scale on rear. Cast metal case and celluloid sector cursor. Front side has a cursor line scratched onto the glass front - not original. No serial number.

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