dents to the workmen. be introduced to the inside of the side wall at any height up It should be added that Mr. Haigh's facilities for the pro- treadle, a clutch connects the cylinder and shaft, and the lat- to the water level, and the side walls and stay bolts then be duction of the wire are to be… … zincing or, as it is commonly peutic purposes as an anti- MAKING THE WIRE FOR THE EAST RIVER BRIDGE-Fig. 5. termed, galvanizing. The wire septic in lieu of carbolic acid, is led over rollers into a bath and as a means of preserva- of dilute muriatic acid already heavily charged with zinc. tion for…
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