Show RELY ON GUESSWORK youngster found out for foe himself just what was the hidden force in teachers bicycle A certain country school teacher in endeavoring to explain to lila ills class clasa nhat compressed air was bioust bi ought hla his bicycle into the room and lean leaned edit it up against the usall now lie he remarked under the outer I 1 I 1 covering of that back wheel there Is a hidden force it inay rubber said one smart youth south no try again the mic boy tried triad again as did nearly every eveia member of the class but without success at length one of tho the youngsters who had been making a close inspection of the machine turned on the teacher with a beaming face 1 I have it he exclaimed its wand jest wind I 1 after commending the yol youngster angster i the teacher asked how he discovered I 1 he ahe hidden force 7 chy was the astounding reply ive just stuck my knife in it to see seel I 1 |