Jones Lamson Thread Elements and Formulas Manual Year (1948)

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Jones Lamson Thread Elements and Formulas Manual Year (1948)     

This Manual Covers Models:
Reference Information

This Manual Includes:
Thread Elements and Formulas
CHT-242
Terminology
Formulas:
American national Thread
Acme Thread
Whitworth Thread
Buttress or Unequal Angle Thread
Truncated Whitworth Formula
Aero Thread Formula
American National Specifications
Army and Navy Aeronautical Specifications
Helix Angle at Midpoint of Effective Thread lenth
British Association Thread
Metric Thread
Lowenherz Thread
Worm and Stub Thread
Wire Sizes
Pitch, Tolerances and Limits
This Manual Has 47 Printed Pages.
Year 1944 Revised January 1948