40« DE NOVO MICROSCOPIORVM 



teruallura Afl — 5 dig. tum vcro fit -yrTidig. ct 

 dctermlnationcs microscopii erunt in digitis exprtflie 



]3ifliintiae focalcs Apcrturae 



'^ = f-o,857 

 r— 11-0,690 



s — l- 1,1 4-3 

 / =11=1., 071 

 vz=i~- 0,500 



P P = 2 V 



QQrzir: 0,429 

 RR = iA- 



SS=*^= 0,572 



TT=ri^ = o,53^ 



VVzni^ 0,250 



Diametcr fpatii confpicui = ,', ct j^rr^^ , vnde cla^ 

 ritas zii'/a:x Tota au;cm inllrumcnti longitudo 

 3= 9 55 dig. 



Qiiodfi iam lcntem obicdiunm duplicare veli- 

 mus , has meiifuras obfcruari oportct: 



Intcrualla 



Aa — 6 



BC=:i 



CDzzi^ 



DE = i 



EF=i 



radius faciei 



radius ficici 



pro knticula poflcriori 



nnt. 1=4-0,4.14. 

 poft. = 4-c,i40 



ac tum erit A"z:=3?o =0, 03 ct claritas :=c, 0015:^^^71 

 <]ui gradus adhuc fatis cft notabilis. 



Pro lenticula priore 



;ant. := + o,i99 

 ^poft. =:— 0,122 



Microfcopinm bis millies mplificmis. 



18. Sumo hic flzr/odig. hypothcfi VI. vtcns, 

 ct A—.60 atquc c;='dig. vndc hac dctcrminatio- 

 ncs oriuntur : 



Diaan- 



