Engineering and Contracting . ty, has brought out a newmodel Little Tugger Hoist, which is designated No. 11. The square piston, reversible driving engine, automaticlubrication, enclosed gearing, drum release clutch andworm operated band brake are essentially the same as inthe No. 1 model, which was described on page 281, Engi-neering & Contracting, Sept. 16, 1914. The main differ-ences are in the diameter and length of the drum, thewidth of the flanges and, necessarily, the main frame andoverall dimensions. The new No. 11 Little Tugger has a hoisting drum 7 diameter by 17 in. long with
Engineering and Contracting . ty, has brought out a newmodel Little Tugger Hoist, which is designated No. 11. The square piston, reversible driving engine, automaticlubrication, enclosed gearing, drum release clutch andworm operated band brake are essentially the same as inthe No. 1 model, which was described on page 281, Engi-neering & Contracting, Sept. 16, 1914. The main differ-ences are in the diameter and length of the drum, thewidth of the flanges and, necessarily, the main frame andoverall dimensions. The new No. 11 Little Tugger has a hoisting drum 7 diameter by 17 in. long with 5-in. flanges. This accom- 374 ENGINEERINGAND CONTRACTING modates 300 ft. of % in. manila rope. The maximum ca-pacity of this hoist is conservatively rated at 600 lb. Theweight of the hoist itself is 358 lb. It is 21 Vb in. long,31 ¥4 in. wide and 23 in. high. Like the No. 1, the No. 11 Little Tugger is built foroperation both by compressed air and steam. The stand-ard clamp fits a 4V2-in. diameter column or pipe, but by. New Model Hoist. removing the clamp the hoist can be readily bolted directlyto any convenient support, timber, flooring, etc. Although designed primarily for underground work itcan be used by the manufacturer for all around hoisting,hauling and handling in mines, tunnels, quarries and in-dustrial plants. i PORTABLE MIXERS SUPPLEMENTDISTRIBUTING TOWERS. Portable mixers were used to supplement the distribut-ing towers in the construction of a large warehouse ^at39th and Canal Sts., Chicago, for the Chicago JunctionRy. Co. The building is being constructed by George A. FullerCo., who are using three distributing towers as the prin-cipal means of conveying the mixed concrete. For mix-ing the large quantity of concrete required in the footingsand walls for the street foundation and the footings forthe numerous central columns, there were used two ofThe Standard low charging mixers, made by the Stand-
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