Page 20 Advertisements Column 2

Auckland Star, Volume LX, Issue 258, 31 October 1929, Page 20

NO SMOKINC RULE FOR 'PLANES. Whatever may he the reaction of passengers of the Graf Zeppelin to the "no smoking" rule, at least it will meet with the approval of members of the United States Forestry Service. They recently have shown conclusively that cigarettes and cigars thrown from airplanes may cause serious forest tires. "To procure some dependable information, experiments with a forest patrol plane were conducted at the Spokane airport," says the report. "Lighted cigars and plain tipped cigarettes of brands commonly in use were -dropped -from altitudes •of approximately 500 fept and 1000 feet above the ground. At the time of the tests the temperature was about 75 degrees Fahrenheit, relative humidity 34 per cent and wind movement about seven miles an hour. Of six cigarettes recovered four were still burning when picked "P- . ' ; "All five cigars recovered were still burning. It did not appear that increasing height of fall from 500 to 1000 feet was an... important-..factor.",,. ..