34-5 D E M O T V 



cfTe ; rr 2 A B V _A_ , \t puncflii T et / ciuliuit in 



S^ et S''^ punaa ipfi S liomuloija , critciuc uim in 



loco S 



I. denritas^:iQ.(i-SQ-;SY4-lS(^+:S T-f ;SQ.)-q 



II.celcrit.isyz:KST-SQ.-hST+SQ)V=f-"z:STyii-^-T 



III. fpatiolum S cr — o 



ita \'t nunc acr in ipfum flatum primitiuum flt 

 rcdudus , cum claplo tantum tcmpore dimidio 

 irrABV^^ ftatum fcre contrarium habuifrct. Cum 

 igitur illo tenipore duas ofcillationcs abfoluifffc fit 

 cenfcndus , tcmpus fingularum olcillationum crit 

 — A B V ^-|^ — Y 5 dcnotante k—V '-^-^ fpatium , 

 per quod aer vno minuto fccundo propagatur; vnde 

 jiumerus ofcillationum fingulis minuris fccundis cdi- 

 tarum crit — -*- , qui fimul pro mcnfuru Ibni hoc 

 motu produdi habctur. 



C o r o 1 1. I. 



72. Si tubus eflct duplo longior ir A A'' iis- 

 dem manentibus fcalis, quippc quac huic tubo vtrin- 

 que daufo conucnirc poflunt , motus cfcilhitorius 

 idem oriretur , vndc fieri potell , vt tubus vtrinqiic 

 daufus eundcm edat fonum, ac tubus duplo breuior 

 quo.f idcm valct fi tubus triplo , vd quadruplo 

 etc. longior accipcrctur. 



CoroU. 



