Show SIXTY ivales AN HOUR why till I 1 that cannot I 1 on a Ill cycle the general we of the bicycle liy ihor who know nothing whatever of mechanical laws is productive of n large and peren nial crop of invention i which whether tho im enters know it or not nil succeed only by up letting onu or laws that ire to well established and so certainly right hat any nitch anical which attempts to net them Is n foredoomed failure many men who would rapol with worn tho accusation of motion cranks are yet trying to ami in a have acil things bieh are in principle the same fw it is literally truo that when a roan that ly the iier of or by some con or crack lio ann cnn put ono inan int 1 it ur ci liu times as hinitch in work a wind or in climbing hill that man is virtually perpetual motion crank anilo a minute wins to be tho favorite speed of those who imagine their inventions vent ions are going to ayelo construction and it may bo worth weilu to examine this n little A dorco equal to one pound moving at tho mile in one minute is chinal t 10 tho procure 0 n ciul aa at alic rate CO miles por hour id given ant byno authority at lesa than about 10 per foot that a ruler and his cx 1 a surface of 3 i quara feet to wind rc fi we anc for tine power require d to this at the ghan speed lOu times 3 timpa 10 equals a little over A man can ordinarily exert about 1 but for n bhart timo may exert live times a much which would baill leno inin tar short of alie power required for pushing u tho atmosphere at tin rato of 00 miles an 1 be introduced that will bonio what ichton friction but trie lit it tunce in he inac hinc when well ind in order is in lun d wind re frista nt hah i decd moat of tho con to time would inc nase kalher than le ssan the alicy do not pretend to affect cither way aliu chief obstacle to birli it could dopf c air that is ride in 1 ur in air iii at tin rate is liim self loiero would lie scantly any anable linail to the speed lo 10 bo attained tin machine if hiigli but machinist Much inist |