Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery (1922)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 566
accord. Friction 553 There are two kinds of friction in mechanics^ viz., thefriction of solids, and the friction of liquids. It is thefriction of solids that the engineer has to deal with mainly,and this kind of friction for convenience may be againdivided into two classes, viz., rolling friction,… … Fig. 222 Co-Efficient of Friction. By this term is meant the re-lation that the power required to move a body, bears to theweight or pressure on that body. This definition may be expressed in another, and per-haps plainer form, as follows: The co-efficient of friction is the ratio between the…
