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 829
Fig. 10 … Fig Figs. 10 and 11. Portion of distribution system before and afterrearrangement operating company, and unless careful super^nsion is maintainedin making extensions or installing transformers, thousands ofdollars may be uneconomically strung in the air instead of beingused to better advantage…
