Three calculators  early 20th century, (3)
Lot 71
Three calculators early 20th century, (3)
Sold for £175 (US$ 294) inc. premium
Auction Details
Lot Details
Scientific Instruments
Three calculators early 20th century,
comprising a Fowler's Long Scale circular slide rule in watch-form case and chromed metal carrying case; a Fowler's Extra Long Scale circular slide rule in leather carrying case and an Otis King's Patent cylindrical slide rule in leather carrying case (3)
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  5. Rachel Gotch
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    Bonhams
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    United Kingdom
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