The Elements of Machine Design: An Introduction to the Principles Which Determine the Arrangement and Proportions of the Parts of Machines, and a Collection of Rules for Machine Design (Classic Rep...

Excerpt from The Elements of Machine Design: An Introduction to the Principles Which Determine the Arrangement and Proportions of the Parts of Machines, and a Collection of Rules for Machine Design
A more consistent and scientific system Of units could easily be adopted, but it would involve a departure from the modes of reckoning current in the workshop.
It is perhaps too much to expect that all errors have been eliminated, and the author will be obliged to any reader who will communicate to him mistakes that are discovered, or cases in which the rules appear to fail.
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