Slide rule for interest calculations

Made:
1824 in London
maker:
Robert Brettell Bate

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

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Science Museum Group Collection
© 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

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

Slide rule, Bate's Interest Scale, published 1st June, 1824 by R.B. Bate, London, 1824; paper scales on wood, two slides, one on each face; size 18 7/8" x 2 7/8" x 3/8"

Paper slide rules became popular in the early 19th century. This example is by Robert Brettell Bate, a well-known maker, and can be used to calculate interest at various rates for various periods for various principals, or lump sums.

Details

Category:
Mathematics
Object Number:
1922-89
Materials:
box (wood), paper (fibre product), wax and wood (unidentified)
Measurements:
overal (flat): 15 mm x 535 mm x 75 mm, 0.2 kg
type:
ready reckoners
credit:
Lt. James F. Godwin