Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 218
a deep or a shallow thread.It is necessary at times to cutsuch threads, as the fittingsmade by different manufac-turers are not always tappedalike. To make good joints,the threads must make uptight when they are screwedinto the fitting. Fig. an b. nana Power Pipe Machine. r^^^^^ j^^ ^^^^^^ ^^^ ^^^_… … 3 1 II 4 1 ti 11 u and u. I 11 2 (1 (( 2i and 3 t ^ and 4 1 ii 5 and G . a 7 1 (( 8 and 9 1 11 10 and 12 i ti II (( 1 Ilii II << i It II J II II I II It 1 It- II u 11 11 n i( tl If <( << li 182 STEA.M AND HOT WATER FITTING 49
Architecture · Building · Carpentry
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