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Journal of the Association of Engineering Societies (1881)
Association of Engineering Societies (U.S.) · New York, [etc.] Board of Managers · leaf 31
/7p S "St/c/wr/ Cos Producer Bt/rmrr Jtcrt i M r*~\ jinnMiriiiririin > £- l_J V«P0Fii5E« Scrub Fig. 3. Assembled Producer with the Pipe Connections.Engineering
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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