. Cyclopedia de manutention; un livre de référence qui couvre les définitions, les descriptions, les illustrations et les méthodes d'utilisation des machines de manutention utilisées dans l'industrie . 6 2.80 5 13.8 2.45 15.2 2.80 2.00 1 8.4 2.30 454 8.6 2.00 9.4 2.30 4/2 11.2 2.00 12.4 2.30 1.58 6.6 1.80 4 6.8 1.58 7.4 1.80 4 9 1.58 10.0 1.80 1.20 5.0 1.38 3/2 5.2 1.20 5.8 1.38 3J4 7 1.20 7.8 1.38 .89 1 3.86 1.00 3 4.04 .89 4.44 1.00 3 5.26 .89 5.8 1.00 .62 2.76 .72 2Vi 2.80 .62 3.08 .72 2A 3.8 .62 4.2 .72 .50 2.2 .58^ 2.24 .50 2.46 .58 en 2.9 .50 3.2 .58 1.86 .39 1.84 .45 % 2.02 .39 2.42 .45 2.7 .39 1211 .45 15 9 SVZ 8 7

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. Material handling cyclopedia; a reference book covering definitions, descriptions, illustrations and methods of use of material handling machines employed in industry . 6 2.80 5 13.8 2.45 15.2 2.80 2.00 1 8.4 2.30 454 8.6 2.00 9.4 2.30 4/2 11.2 2.00 12.4 2.30 1.58 6.6 1.80 4 6.8 1.58 7.4 1.80 4 9 1.58 10.0 1.80 1.20 5.0 1.38 3/2 5.2 1.20 5.8 1.38 3J4 7 1.20 7.8 1.38 .89 1 3.86 1.00 3 4.04 .89 4.44 1.00 3 5.26 .89 5.8 1.00 .62 2.76 .72 2Vi 2.80 .62 3.08 .72 2A 3.8 .62 4.2 .72 .50 2.2 .58 15^ 2.24 .50 2.46 .58 in 2.9 .50 3.2 .58 .39 1.86 .45 % 1.84 .39 2.02 .45 2.42 .39 2.7 .45 1211 9 SVz 8 7H 6 5 4 32V4 fBased on factor of safety of 5. AMERICAN STEEL & WIRE COMPANY For List of Offices See Page 818820 AERIAL TRAMWAYS jiiiiiiiiuiiiiiiKiriiiiiiiiimi The Trenton System f The American Steel & Wire1 Company manufactures twoI standardized designs of aerialj tramways and is prepared toJ design such special equip-ment as may be required tomeet unusual conditions of operation or location.Of its two systems, the Trenton is theprincipal one, thus far over 3, 000 of these systems, representing over 1, 800 miles of line and an annual illllllllllllllllllllUIII. Trenton Aerial Tramway Transporting Slate inMountains. capacity of about 200 million tons, having beenbuilt. This is a system comprising two stationarycables, one of lighter weight than the other, fromwhich a series of detachable buckets or othercarrying devices are suspended and along whichthey are moved in a continuous circuit by an end-less and comparatively light weight traction rope, the loads travelling along the heavier cable andthe empties returning by way of the lighter one. It is primarily a system for long haul betweenstations and as such finds its widest applicationin mountainous localities as a means of transport-ing material to and from mines, quarries, etc.;one of these lines, the largest on record and asystem carrying 40 tons of ore hourly, extendinga distance of 21 miles, during which it makes adescent of 11,

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