Reliable vacuum and vacu-vapor heating equipment (1915)
The Bishop-Babcock-Becker Co. · The Bishop-Babcock-Becker Co. · leaf 32
installed. The dial isgraduated to 15 pounds steam pressure on one side and 30 inches vacuum on the other.A Compound Gauge is not included with RELIABLE Air Line Outfits, but is furnished at extra charge. Diameter of dial, 3J^ inches; 34-inch threadconnection; iron case, brass rim. RADIATORS AND… … Twenty-Nine THE RELIABLE A I R LINE a ®=Q
Heating units · Vacuum-tube collectors · HVAC ducts and casings
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