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 257
50 >> Fig. 4. Diagrams showing arrangement of dynamite blasts fordemolition of 150-ft. chimney. and north walls. Then about 5 ft. of the fire brick lining wasbarred out for a height of 1 ft. The chimney was now in shape to be blasted down. Two holeswere drilled into the 5-ft. pillar from the…