Barnard's Co-ordinate spiral slide rule
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Science Museum Group
© The Board of Trustees of the Science Museum
Barnard's Co-ordinate spiral slide rule, Serial No. 27/09, in box, with instruction leaflet, dated 1909, Great Turnstile, London
Details
- Category:
- Mathematics
- Object Number:
- 1977-480
- type:
- spiral slide rule
- credit:
- College of Further Education (Kendal)
