Head rod

Head rod, 3' 8 x 1 1/2', with slide

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

Head rod, 3' 8 x 1 1/2', with slide
Science Museum Group
© The Board of Trustees of the Science Museum

Head rod, 3' 8" x 1 1/2", with slide, for gauging the diameter of the heads of casks and for calculating the content, stamped "Customs", made by R.B. Bate, London, c. 1800

Details

Category:
Mathematics
Object Number:
1954-320
type:
slide rule (excise) and gauging calliper
credit:
National Maritime Museum (Gabb Collection)