Fifty Years Hence, or What May Be in 1943. E-book. Formato EPUB Robert Grimshaw   -  Bauer Books, 2019  - 

"Fifty Years Hence" is a quasi-fictional work by Robert Grimshaw, a professional engineer, with the intent of making a serious prediction of America's technological future, using engineering knowledge from his time in 1892.

The Steam Engine Catechism: A Series of Direct Practical Answers to Direct Practical Questions, Mainly Intended for Young Engineers and for Examination Questions. E-book. Formato PDF Robert Grimshaw   -  Forgotten Books, 2017  - 

I should be glad to receive for reply queries concerning any matter relating to the steam engine and where possible will not only answer them by mail but embody questions and answers in future editions or volumes, should they be called for.

Saw Filing and Management of Saws: A Practical Treatise on Filing, Gumming, Swaging, Hammering and Brazing Band Saws; Speed, Power and Work to Operate Circular Saws, Etc. E-book. Formato PDF Robert Grimshaw   -  Forgotten Books, 2017  - 

The saving in power, by using a sharp saw, is very great. It has never yet been measured in power-saws, and is hardly measurable in hand-saws; but it is without doubt consider able. By using sharp saws, thinner blades may be used than where the teeth are dull; because the duller the saw the more power required to drive it through the wood, and the more strain on each tooth separately, and on the blade as a whole. For the same reason, longer teeth may be used where they are sharp, than where they are dull.