Trade Science 1 by K.H. Purser. First published in 1969.
This book was used in the engineering trade training system until the mid-1980's. It has many detailed workings of common maths and science problems encountered by engineering tradesman. It is a valuable source of information for any person with an interest in engineering, apprentices, tradesmen, and engineers.
This book is not available anywhere else. Nybro was fortunate enough to secure the last copies of this book from the author before they were disposed of.
Force and its Application
Energy, Work and Power