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Double-slide rule

Carpenters or timber merchants slide rule, hinged with slider in each arm, made of boxwood, made by Blakely, Carlisle Street, Lambeth, London, 1830 - 1850

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Advanced search Search terms must be longer than two characters. Use a * as a wildcard to widen your search (for example, bagpipe* will find bagpipe, bagpipes and bagpiper).