ready reckoner for discounts, mid 19th century

Made:
c. 1850 in England

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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

Wages Tables (c. 1850), used in instrument maker's office, 7.5" long

Ready reckoner giving the value of discounts of 10%, 15% and 20% on quantities between 15 and 36. This was probably a one-off instrument for use in a particular shop or workshop.

Details

Category:
Mathematics
Object Number:
1993-1243
Measurements:
overall (flat): 5 mm x 190 mm x 30 mm, 0.01 kg
type:
ready reckoners (financial)
credit:
National Maritime Museum (Gabb Collection)