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 1033
the move-ment of either lever will compress spring, K. Direct Acting Plunger Type,—A direct acting plungerelevator consists of a cylinder set vertically in the grounddirectly under the car, and of length a few feet greaterthan the travel of the elevator car. In this cylinder is aplunger of the same… … Fig. 418direct acting plunger elevatob Hydraulic Elevators 999 The success of this elevator depends largely apon themerits of the operating mechanism. In the installation ofthis type of hydraulic elevator it is necessary to sink thehole for the reception of the cylinder to a depth equalto the…
