A treatise on architecture and building construction (1899)
International Correspondence Schools · Scranton, The Colliery engineer co. · leaf 290
he orifice e, therod c cools off andshortens slightly, thus opening the orifice and permittingthe air to flow through. As soon as hot steam arrives, how-ever, the rod expands, and again closes the vent. The length of the expansible element which is exposed tothe air or steam is very small,… … Fig. 53. 94 HEATING AND VENTILATION § 17 VALVES. 138. Radiator valves, if possible, should all be globe-body compression-angle valves with wood wheel handles.They are usually nickel plated. A brass ground union con-nection should be made between the valves and the radiators. 139. YqXvqs, on Stcain…
Architecture · Building
Internet Archive · New York Public Library · Public Domain Mark 1.0. Free to use for anything.