A similar Fowler's 'Magnum' calculator, in leather case; a Fowler's 'Universal' calculator --3½in. diam, in leather case; and two Otis King calculators, in cartons (4)

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A similar Fowler's 'Magnum' calculator, in leather case; a Fowler's 'Universal' calculator --3½in. diam, in leather case; and two Otis King calculators, in cartons (4)

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