Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 422
Fig. 5. Plan and Elevation of Horizontal Hydraulic Elevator. 325 J 2 ELEVATORS pressure available and the height of the building in which it wasused. A piston, fitting closely in this cylinder, was made watertio-ht by means of suitable packing. There was a piston rod andcross head which carried a…
Architecture · Building · Carpentry
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