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Handbook for architects and builders (1898)
Illinois Society of Architects · Chicago · leaf 733
Reducing valveGate vaive | Temp, control thermostat. V CZHZIIZ^ Radiator; wall supported numeral for identification ^ ~^ Kadiator; floor supported numeral for identification /— Air Duct Exhaust Riser ^™A4J Air Duct Supply Drop -^^—~^=- Pipe coil radiator |- 6 Small numeral in inches gives size, and…Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
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