Carpenter's slide rule

Made:
1861-1910 in Birmingham
maker:
John Rabone and Sons
SMG00029958

Buy this image as a print 

Buy

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

License

Buy this image as a print 

Buy

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

License

Buy this image as a print 

Buy

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

License

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

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

SMG00029958
Science Museum Group
© 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:
folding rule
taxonomy:
  • furnishing and equipment
  • measuring device - instrument
  • ruler - measuring device
  • furnishing and equipment
  • measuring device - instrument
  • ruler - measuring device
credit:
Thomas H. Court