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 149
. Itwas built in 1893, at a cost of about $1,800, including outfit. Therepairs to .1907, during which year the hull was rebuilt, were small.Repairs to Dec. 31, 1910, were about $2,500, including maintenanceof outfit. On Dec. 31, 1911, this boat was in fine condition. Life of Scow Barges. Table X… … yj 20 P5Life inYeors 50 5a J J 40 Fig. 1. Depreciation of marine equipment.A — Steel steam vessels on Great Lakes.♦B—Steel steam vessels on tidewater.C — Steel barges, floats, etc., on tidewater.D — Wood tugs, barges, etc., on tidewater. in Engineering Record, May 30, 1914, states that floating…