Reliable vacuum and vacu-vapor heating equipment (1915)
The Bishop-Babcock-Becker Co. · The Bishop-Babcock-Becker Co. · leaf 32
Twenty-Eight VACUUM HEATING EQUIPMENT … RELIABLE VACUUM GAUGE A Vacuum Gauge is alwaysincluded with RELIABLE AirLine Outfits. It is used to showthe degree of vacuum in aheating system. The RELIABLE VacuumGauge is substantially made,and will last indefinitely. Ithas a non-corrosive movement,mounted direct on the socket.The movement cannot…
Heating units · Vacuum-tube collectors · HVAC ducts and casings
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