Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 323
Fi^. 30. Section of Coiiibiucd Hop-per aucl Trap Closet. Fig. ;!7. Section of Front OutletWash-Out Closet. in the crown of the lower trap breaking the siphonage in time to save.1 water seal for the lower traj). The upper trap with water visible in the closet bowl in repose, issupplied by the…
Architecture · Building · Carpentry
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