000			00361pam a2200145a 44500
082			_a621.83 _bT839i
100			_aTuplin, William Alfred
245	1		_aINVOLUTE GEAR GEOMETRY
260			_aN. Y. _bUngar _c1962
300			_a188
650			_aGearing -- Tables, Calculations, Etc
650			_aInvolutes (Mathematics)
964			_gCIRC
997			_a50836 C
999			_c417840 _d417840