Evening Republican, Volume 21, Number 11, Rensselaer, Jasper County, 15 January 1917 — DIDN’T RELY ON GUESSWORK [ARTICLE]
DIDN’T RELY ON GUESSWORK
Youngster Found Out for Himself Just What Was the Hidden Force In Teachers' Bicycle. A certain country school teacher, in endeavoring to explain to his class what compressed air was, brought his bicycle Into the room and leaned it up against the wall. •‘Now,” he remarked, “under the outer covering of that back wheel there is a hidden force. What is it?” "Injy rubber,” said one smart youth. “No. Try again.” The boy tried again, as did nearly every member of the class, but without success. ' At length one of the youngsters, who had been qaklng a close Inspection of the ipachlne, turned on the teacher ■ with a beaming face. “I have It,” he exclaimed. “It’s wind —jest wind!” After commending the youngster, the teacher asked how he discovered the “hidden force.” “Why,” was the astounding reply, "I’ve just stuck my knife in it to see 1”
