Reliable vacuum and vacu-vapor heating equipment (1915)
The Bishop-Babcock-Becker Co. · The Bishop-Babcock-Becker Co. · leaf 59
vi o fflUGujaqgt Top View The above illustration shows method of cross-connecting two RELIABLE Electric VacuumPumps for use with steam heating systems having alarger amount of radiation than one pump canhandle. Duplex installations are also used wherea reserve unit is desired. Fifty-Five ua-noaiNOD… … n S IAI V 3 J- s ys J&ffD\ 9t(X 69 Vuv 89 sdBvd uo s}j,vv9 99$—:9iotf uiBa;sueq; ssa| ;b a;Bjauag o; uiBa;s sajqBua japoq ui umnaBA aqx•pajisap jt *p|03 uaqAY uta;sA*s ut pautB;uiBui 9q ubo raunaBA y-saqaui q o; sdojp uinnDUA uaqA\*utBSB ;i ;jb;s puB <pa;Baja uaaqSBq uinnaBA jo saqaui i…
Heating units · Vacuum-tube collectors · HVAC ducts and casings
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