Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 445
this trap makes it open to the same objection raised in connection with Fig. 203. This form, however, has the merit of being accessible for inspection without dis-turbing its ser\ice, which is impos-sible with the flask pattern shovm in Fig. 204. The lavatory trap shown in Fig. 20G, has an interior… … 372 PLUMBING 149
Architecture · Building · Carpentry
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