Gladstone's cross gauge

Gladstone's cross gauge, a logarithmic calculator

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Gladstone's cross gauge, a logarithmic calculator
Science Museum Group
© The Board of Trustees of the Science Museum

Gladstone's cross gauge, a logarithmic calculator, scale 425 inches long on card about 12" x 10"; with metal "gauge"

Details

Category:
Mathematics
Object Number:
1923-426
type:
drawing instruments and calculating scales
credit:
Mr H. J. Gladstone