Reliable vacuum and vacu-vapor heating equipment (1915)
The Bishop-Babcock-Becker Co. · The Bishop-Babcock-Becker Co. · leaf 31
enlyincreased for fire purposes, etc. By simply turning a set screw at the top of the Regu-lator, the water can be regulated to any desired pressure,which will then be maintained. The Regulator is made of solidbronze, and will last indefinitely.It is included with all RELIABLEHydraulic Air Line… … Twenty-Eight VACUUM HEATING EQUIPMENT
Heating units · Vacuum-tube collectors · HVAC ducts and casings
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