Carpenter's slide rule

SMG00029958 Carpenter's slide rule Carpenter's slide rule

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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

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

Buy this image as a print 

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

License

SMG00029958
Science Museum Group
© The Board of Trustees of the Science Museum

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

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

Carpenter's 2-foot rule with logarithmic slide, boxwood 4-fold, with 6" brass slide, made by James Rabone & Sons, Birmingham.

Carpenter's 2-foot folding rule in boxwood with logarithmic slide, made by James Rabone & Sons, Birmingham, mid to late 19th century. This is a standard carpenter's rule of the period and includes scales for calculating the volume of wood and the price of a load (50 cubic feet) at various prices per cubic foot.

Details

Category:
Mathematics
Object Number:
1917-83
Materials:
boxwood and brass
Measurements:
overall (closed): 9 mm x 165 mm x 40 mm, 0.094 kg
As displayed: 113 mm x 317 mm x 5 mm, 0.094 kg
type:
carpenter's rule and folding rule
credit:
Thomas H. Court