Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 213
ee with the outlet larger than the openings on the run, is known 176 STEAM AND HOT WATER FITTING 43 as a bullhead tee. Tees with all three openings of the same size areknovn as straight tees. It is far better to use reducing sockets or eclucing elbows andtees, in place of straight tees with…
Architecture · Building · Carpentry
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