Treatise on Belts and Pulleys. Embracing Full Explanations of Fundamental Principles; Proper Disposition of Pulleys; Rules, FormulasJohn Howard Cromwell · First published 2022Open the Tome
A Treatise on Toothed GearingJohn Howard Cromwell · First published 1883 · Latest edition 2018Open the Tome
Treatise on Toothed Gearing. Containing Complete Instructions for Designing, Drawing, and Constructing Spur Wheels, Bevel Wheels, Laterns Gear, Screw Gear, Worms, etc. , and the Proper Formation of Tooth-Profiles. for the Use of Machinists, Pattern-makerJohn Howard Cromwell · First published 2018Open the Tome
The racketJohn Cromwell, Howard Hughes, Edmund Grainger, William Wister Haines, W. R. Burnett · First published 2016Open the Tome
A system of easy letteringJohn Howard Cromwell · First published 1887 · Latest edition 1912Open the Tome
