San Francisco : Architect and Engineer, Inc · leaf 455
d, natural gas con-sumed amounted to $278.00; the cost offuel oil for the corresponding 30-day per-iod in the previous year, 1930, amounted to$329.00. This means that, by the use ofthis fuel, the monthly fuel bill has been re-duced $51.00, or slightly over 15%. Andthis does not consider the… … BOILER ROOM IN CROCKER FIRST NATIONALBANK BUILDING. SAN FRANCISCO shot burners, and twenty of the same burn-ers in the 100 h.p. boiler. This is a vacuumtype burner, and constitutes a radical de-parture from the Bunsen type. It fires fromunderneath, directly on to the under frontof the boiler,…
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