Lord's Calculator

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  • Details
  • Description
Date Introduced
1900 ca.
Photographer
Richards, Mark
Dimensions
1/2 x 2 3/4 x 3 1/2 in.
Manufacturer
R. Waddington
Credit Line
Loan of Gwen and Gordon Bell
Copyright Owner
© Mark Richards
Location
United Kingdom
Keywords
Oughtred, William; Analog; Slide rule; Hand calculation
Object ID
XB123.80

The circular scales moved independently and there was no cursor.