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Lot 178
A Otis King calculator no.Y1961 complete with a leather case and instructions, a Unique Universal slide rule boxed, 1 other slide rule and an energy converting units table

From Tools, Machinery, Instruments in the Metalware, Collectors Items, Ephemera, Fabrics, Toys, Curios etc section in our Antique, Fine Art and Collectables auction held on Wednesday 18th of July 2018