Twentieth century hand-book for steam engineers and electricians with questions and answers; a practical non-technical treatise .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 982
e end of G; hence, while it is necessary for H H toclamp the rope tight enough to move G, the pressure mustnot be so great as to prevent the rope from slipping. Forthe same reason, in order to make the safety governorreliable it is necessary that the operating rope shall be injust as good condition… … Fig. 393 The jaws of the safety plank and the wedge N should bekept clean and in proper adjustment at all times. As the 954 Steam Engineering guides M have to be kept well lubricated;, it can be easilyseen that if the safety jaws are neglected they will soonbecome clogged with a mixture of grease…
