Chicago House Wrecking Company · Chicago House Wrecking Company · leaf 90
time pump more air,and if the furnace starts to puff it is a sign that more gasoline is needed.It is not necessary to put the furnace out to supply more air; youcan pump in air while the blast is going. Never let the pressure get down too low. In melting lead for caulking be sure to heat the lead… … Fig. 16. IF YOU DO IT YOURSELF ITWILL BE DONE RIGHT.
