A treatise on architecture and building construction (1899)
International Correspondence Schools · Scranton, The Colliery engineer co. · leaf 166
of loosening the nipple from the fitting, §1G PLUMBING AND GAS-FITTING. 135 Drop nipples, which are to supportchandehersor other hang-ing fixtures, should hang perfectly plumb, and in case of a flatceiling should project from | inch to 1 ^ inches from the surface. 31G. The proper mode of supporting… … Fig. rr. drop piece d and prevent it from swinging in any direction.Care should be taken to make the drop piece perfectly plumb.When the nipples or drops for the fixtures are all in place,they should be tested to find whether they are square orplumb. This may be done by attaching a straight piece…
Architecture · Building
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