Franklin Day Jones (1879–1967) was an author in mechanical engineering and toolmaking. He wrote the first edition of Machinery's Handbook (1914, Industrial Press, Inc.), with engineer Erik Oberg. Henry Ryffel is the author of Machinery's Handbook 25.

• Standard Gear Tooth Forms and DimensionsSpur Gears- Full Depth TeethSpur Gears- Stub TeethInternal GearsBevel Gears- Right Angle DrivesStraight Tooth Bevel Gears- Gleason SystemBevel Gears of Parallel-Depth TypeHelical or Spiral GearsHerringbone GearsWorm GearingGearing Ratios and SpeedsPower Transmitting Capacity of GearsDefinitions of Gear TermsIndex

Franklin Day Jones (1879–1967) was an author in mechanical engineering and toolmaking. He wrote the first edition of Machinery's Handbook (1914, Industrial Press, Inc.), with engineer Erik Oberg. Henry Ryffel is the author of Machinery's Handbook 25.

• Standard Gear Tooth Forms and DimensionsSpur Gears- Full Depth TeethSpur Gears- Stub TeethInternal GearsBevel Gears- Right Angle DrivesStraight Tooth Bevel Gears- Gleason SystemBevel Gears of Parallel-Depth TypeHelical or Spiral GearsHerringbone GearsWorm GearingGearing Ratios and SpeedsPower Transmitting Capacity of GearsDefinitions of Gear TermsIndex

Franklin Day Jones (1879–1967) was an author in mechanical engineering and toolmaking. He wrote the first edition of Machinery's Handbook (1914, Industrial Press, Inc.), with engineer Erik Oberg. Henry Ryffel is the author of Machinery's Handbook 25.

• Standard Gear Tooth Forms and DimensionsSpur Gears- Full Depth TeethSpur Gears- Stub TeethInternal GearsBevel Gears- Right Angle DrivesStraight Tooth Bevel Gears- Gleason SystemBevel Gears of Parallel-Depth TypeHelical or Spiral GearsHerringbone GearsWorm GearingGearing Ratios and SpeedsPower Transmitting Capacity of GearsDefinitions of Gear TermsIndex