"Otis King's" cylindrical slide rule for calculating percentages

Made:
circa 1950-1965
Otis King's' cylindrical slide rule for calculating percentages

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Otis King's' cylindrical slide rule for calculating percentages
Science Museum Group
© The Board of Trustees of the Science Museum

"Otis King's" cylindrical slide rule for calculating percentages, logarithms etc., manufactured by Larbic Ltd, c.1950-1965.

Details

Category:
Psychology, Psychiatry & Anthropometry
Object Number:
2000-1252
Materials:
metal (unknown)
Measurements:
overall: 1.1811 x 5.9055 x 1.1811 in.; 3 x 15 x 3 cm
type:
slide rule
credit:
University of Aberdeen (Department of Sociology)