January 31, 1921 AVIATION 146 … current of air through the heated oil. u:—, There the parts arc either piled o.. «.«, deg. F. rise in temperature (on the readings which are mul- tUMon Bosin oil. 's obtnincd from the destructive dis- e finished or are piled on another skid platform for - they a: tiples of 5) by slowly passing a…
Aviation Week
Internet Archive · Public domain (published before 1931). Free to use for anything.
