Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 359
Pig. 103. Electric I-Beam Hoist. Courtesy of Maris Brothers, Philadelphia, Pennsylvania. two girders placed side by side, upon which runs the carriage carryingthe hoist. This type of crane is supported»upon four to eightwheels (see Figs. 105, 106, 107, 108, 109, and 110). The maximum bending moment… … Fig. 104. Small Electric I-Beam Hoist; Capacity 500 Lbs.Courtesy of Pawling & Harnischfeger, Milwaukee, Wis. 292
Architecture · Building
Internet Archive · Kelly Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
