Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 353
ch fixture connectedwith the supply under the same pressure as the street main, unless areducing valve is introduced, .thus often subjecting the work to need-less high pressure and always to the widely varying conditions andquality of service incidental to such use. In .the direct system it isgood…
Architecture · Building · Carpentry
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