I. PITCH CIRCLE-PITCH-TOOTH-SPACE-ADDENDUM OR FACE-FLANK-CLEARANCE / 9
II. CLASSIFICATION-SIZING BLANKS AND TOOTH PARTS FROM CIRCULAR PITCH-CENTRE DISTANCE-PATTERN GEAR / 13
III. DIAMETRAL PITCH-SIZING BLANKS AND THE TEETH OF SPUR GEARS-DISTANCE BETWEEN THE CENTRES OF WHEELS / 17
IV. SINGLE‐CURVE GEARS OF 30 TEETH AND MORE 14[1/2]°PRESSURE ANGLE / 23
V. RACK TO MESH WITH SINGLE-CURVE GEARS HAVING 30 TEETH AND MORE / 26
VI. A SINGLE-CURVE GEAR HAVING 12 TEETH AND AN ENGAGING RACK SHOWING INTERFERENCE-A GEAR HAVING 12 TEETH AND AN ENGAGING RACK WITHOUT INTERFERENCE-INTERCHANGEABLE GEARS / 30
VII. STANDARD SYSTEMS OF INVOLUTE GEARING14[1/2]°COMPOSITE SYSTEM AND CONJUGATE RACK-THE TRUE INVOLUTE GEAR FULL DEPTH-STUB TOOTH INVOLUTE GEARS / 38
VIII. DOUBLE‐CURVE TEETH-GEAR OF 15 TEETH-RACK / 49
IX. DOUBLE‐CURVE SPUR GEARS HAVING MORE OR LESS THAN 15 TEETH / 54
X. BEVEL GEAR BLANKS / 62
XI. BEVEL GEARS-FORMS AND SIZES OF TEETH-CUTTING TEETH-PARALLEL DEPTH BEVEL GEAR / 69
XII. GENERATED STRAIGHT TOOTH BEVEL GEARS AND CURVED TOOTH OR SPIRAL BEVEL GEARS / 91
XIII. WORM GEARING-SIZING BLANKS OF 32 TEETH AND MORE / 100
XIV. SIZING GEARS WIIEN THE DISTANCE BETWEEN CENTRES AND THE RATIOS OF SPEEDS ARE FIXED-GENERAL REMARKS-WIDTH OF FACE OF SPUR GEARS-SPEED OF GEAR CUTTERS / 121
XV. SPIRAL GEARS-CALCULATIONS FOR LEAD OF SPIRALS-HERRINGBONE GEARS / 128
XVI. EXAMPLES IN CALCULATIONS OF THE LEAD OF SPIRAL-ANGLE OF SPIRAL-CIRCUMFERENCE OF SPIRAL GEARS-A FEW HINTS ON CUTTING / 134
XVII. NORMAL PITCH‐OF SPIRAL GEARS-CURVATURE OF PITCH SURFACE-FORM OF CUTTERS / 137
XVIII. CUTTING SPIRAL GEARS IN A UNIVERSAL MILLING MACHINE-HOBBING SPUR AND SPIRAL GEARS / 144
XIX. SPIRAL AND WORM GEARS-GENERAL REMARKS / 154
XX. INTERNAL GEARS / 157
XXI. STRENGTH OF GEARS / 161
XXII. STANDARD PROPORTIONS FOR SPUR GEARS / 172
XXIII. TANGENT OF ARC AND ANGLE / 174
XXIV. SINE AND COSINE-SOME OF THEIR APPLICATIONS IN MACHINE CONSTRUCTION / 180
XXV. APPLICATION OF CIRCULAR FUNCTIONS-WHOLE DIAMETER OF BEVEL GEAR BLANKS-ANGLES OF BEVEL GEAR BLANKS / 185
XXVI. ANGLE OF PRESSURE / 192
XVII. CONTINUED FRACTIONS-SOME APPLICATIONS IN MACHINE CONSTRUCTION / 194
XXVIII. CHORDAL THICKNESS OF TOOTH AND HEIGHT OF ARC / 200