Radial Flank Angles & Sines, A Useful Companion Booklet to The Clock and Watch Makers Guide to Gear Making by Robert Porter evaluating and selecting AR-15 rifles

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Radial Flank Angles & Sines, A Useful Companion Booklet to The Clock and Watch Makers Guide to Gear Making by Robert Porter evaluating and selecting AR-15 riflesRadial Flank Angles & Sines, a useful companion booklet to The Clock & Watch Makers Guide To Gear Making. This booklet is a list of the radial flank angles for over 150 gears listed in the Guide To Gear Making, as well as the sine value for each radial flank angle, and the calculated "X" dimension for the three inch sine bar used to make gear cutters. ALL YOUR SINE BAR CALCULATIONS ARE DONE FOR YOU. You are also shown how to easily calculate the