Popular science monthly . lilili lloor. mounts it, and is off on a runol two thousand feet. If not detained bythe i)arly to whom the note is addressed,he can deliver his answer to the personsending the message within seven min-utes from cHe timehe began his jour-ney. Had he de-I)ended upon hislegs, the same tripwould ha\e takenhim at least twen-t\-fne minutes. r^YCLV^^ beiuE Bic^cles enable an t-xprt ss nussenger boyservice to be carried on in large factories ialure figures ol. Two miniature bicycle riders race around a minia-ture track, their speed corresponding to that ofthe athletes on the
Popular science monthly . lilili lloor. mounts it, and is off on a runol two thousand feet. If not detained bythe i)arly to whom the note is addressed,he can deliver his answer to the personsending the message within seven min-utes from cHe timehe began his jour-ney. Had he de-I)ended upon hislegs, the same tripwould ha\e takenhim at least twen-t\-fne minutes. r^YCLV^^ beiuE Bic^cles enable an t-xprt ss nussenger boyservice to be carried on in large factories ialure figures ol. Two miniature bicycle riders race around a minia-ture track, their speed corresponding to that ofthe athletes on the bicycles over the rollers The Old Fondnessfor Cycling IsComing Back .1\G isg revivedin Cirand Rapids,Mich., and mem-bers of the clubthere have installeda unique apparatusin the V. M. C. to en-courage the consists of twoframes, supportingrollers, which areconnected by aspeedometer tubewith a miniatureo n e - h a I f - in i I etrack. The tubegoverns two min-riders which followtlie circumterence of the track. Bicyclesplaced on llic rollers are ridden by athletes andthe miniaturefigures respondreadily. Racesare run daily,with startersand timers oltl-ciating. Thea p p a r a t u sregisters t hetime accurate-K and at thelinish of a raceiMih rider isgiven his cor-rect time o\erllie distance. Harnessing the Sun By Waldeniar Kaempffert
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectscience, bookyear1872
