Norton Change Gear Tables Gear Hobbing Machine Reference Manual Year (1940)

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Norton Reference Information Change Gear Tables Hobbing Manual year (1940)

This Manual Covers Models:
Tables
Reference Information

This Manual Includes:Methods of Interpolation
Decimal Equivalents of Fractions
Prime Factors of Numbers
Logarithms of Gear Ratios
Tables of C Constants
Gould & Eberhardt copyrightThis Manual Has 57 Printed Pages.
Year 1940