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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 1024

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 1024
Al K \ < / o. I V .— 9*4-. y. / 5^ • \ .^s^V Section CC Section 1>D Fig. 22. Forms for constructing openings for the entrance of ductsinto concrete vaults. added and the mixture turned over 3 times with hoes to thoroughlymix the material and dampen every particle of cement. Mortarshall be… … 5ecf(on F-F. Fig. 23. Forms for constructing openings for the entrance of cir-cular ducts into concrete vaults. The wages per hour were: Bricklayers, 70 cts.; common labor-ers, 22 cts. ; team and driver. 56 cts. Cost of foreman and time-keeper is included. TABLE XIX. AVERAGE COST OF BRICK…

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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