A Patent Slide Rule by R F Agnew,
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Description
English, dated 1913, in boxwood, for the cloth trade with both metric and imperial scales for length and weight, stamped 'R F Agnew's slide rule No 22165 1913 patent applied for', length 60cm. Note: this is an unusually late example of a slide rule designed without a cursor.
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A Patent Slide Rule by R F Agnew,
Estimate £80 - £120
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