Show 1 To Fight Frost pw n-pw wr w rr- rr t J IJ I f s 1 i 1 4 I w Y i j 4 s t 1 N I Ten acres of ot orchard can be tie pro pro- protected protected from frost rost with use of this improved hot air heater developed by a Los Angeles Inventor G W Grable The machine standing 30 feet high has a rotating blower unit mounted on a central standard surrounded sur surrounded surrounded rounded by a flue leading from a smokeless oil burning boiler Oscil Oscillating Oscillating Oscillating lating to cover any desir desired orchard area the device keeps the air in motion |