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Handbook of mechanical and electrical cost data, giving shipping weights, capacities, outputs, and net prices of machines and apparatus, and detailed costs of installation, maintenance, depreciation and operation, together with many principles and data relating to engineering economics (1918)

Gillette, Halbert Powers, 1869-, Dana, Richard Turner, 1876-1928, joint author · New York, McGraw-Hill · leaf 1436

An illustration from Handbook of mechanical and electrical cost data, giving shipping weights, capacities, outputs, and net prices of machines and apparatus, and detailed costs of installation, maintenance, depreciation and operation, together with many principles and data relating to engineering economics, 1918, leaf 1436
the number of express elevators must then be more than half thetotal .system, and a sub-division of express service proper is alsonecessary. It is often helpful to be informed as to the size of motor required CONVEYORS, HOISTS, CRANES, ELEVATORS 1413 for an installation, and the diagram, Fig. 49,… … /CO /so zoo ^S^o ^oo Joo ^oo OpzQd of Machine - feet per M/>? Fig. 49. Motor sizes for electric elevators. speed of 400 ft. the point of intersection is then at 2,500 lbs.From this point follow the line as indicated to the scale of motorsizes, and the result is above 40 h.p. Table XXI gives the…

Engineering · Mechanical engineering · Electrical engineering

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More pictures from Handbook of mechanical and electrical cost data, giving shipping weights, capacities, outputs, and net prices of machines and apparatus, and detailed costs of installation, maintenance, depreciation and operation, together with many principles and data relating to engineering economics

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