Journal of the Association of Engineering Societies (1881)
Association of Engineering Societies (U.S.) · New York, [etc.] Board of Managers · leaf 109
y other size of pipe or pressure may be used on the same general principles. A suggested method of making the pipe is as follows: The center form is of the usual collapsible style and 8 ft. long as being a convenient length. This is set on end in a pit 2 ft. deep prepared for it, with a cast-iron… … Sectional View of Pipe and Form. notched at intervals of 1.5 in. and opposite each other so that the rein- forcing rings may be spaced as required for strength. The rings will be set in the lower half at approved distances, and when the top half is shut down and fastened the reinforcing bands will…
Engineering
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