A treatise on architecture and building construction (1899)
International Correspondence Schools · Scranton, The Colliery engineer co. · leaf 74
ort. /? is a lying or running trap. It can only be used on ahorizontal waste pipe. It is often used as a bath trap, beingplaced under the floor. ^ is a hunchback trap. This form is used on a verticalpipe where it is desired to have the inlet and outlet in thesame straight line. It is not used as…
Architecture · Building
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