Dixon's combined circular and spiral slide rule

Made:
England
Dixon's combined circular and spiral slide rule (circular slide rule; spiral slide rule)

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Science Museum Group Collection
© The Board of Trustees of the Science Museum

Dixon's combined circular and spiral slide rule, in wooden frame, 19" x 16", with a treatise on its use.

Details

Category:
Mathematics
Object Number:
1882-2
Materials:
paper (fibre product), mahogany (wood) and brass (copper, zinc alloy)
Measurements:
overall (flat): 45 mm x 345 mm x 482 mm, 1.502 kg
type:
circular slide rule and spiral slide rule
credit:
Mr. T. Dixon.