P.I.C. slide rule by A.G. Thornton Ltd

Made:: England

maker:: A G Thornton Limited

P.I.C. slide rule by A.G. Thornton Ltd, model no. 101/PC8, with patented differential scales, in box

Details

Category:: Mathematics

Object Number:: 1990-742

type:: slide rule

credit:: Mr F Bennett

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P.I.C. slide rule by A.G. Thornton Ltd

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