Leadbetter slide rule

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  • Details
  • Description
Date Introduced
1800 ca.
Photographer
Richards, Mark
Dimensions
3/4 x 12 1/8 x 1 1/8 in.
Manufacturer
Dring and Fage Makers, Ltd.
Credit Line
Courtesy Gwen and Gordon Bell
Copyright Owner
© Mark Richards
Location
United Kingdom
Keywords
Oughtred, William; Analog; Hand calculation
Object ID
XB108.80

This four-sided rule for revenue calculations had room for more scales.