Lilly's spiral slide rule

Lilly's spiral slide rule, patent no

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

Buy

License this image for commercial use at Science and Society Picture Library

License

Lilly's spiral slide rule, patent no
Science Museum Group
© The Board of Trustees of the Science Museum

Lilly's spiral slide rule, patent no.28603 (1912), 13 1/2" diameter

Details

Category:
Mathematics
Object Number:
1914-401
type:
slide rule (spiral)
credit:
J.C. Stevens Auction House