2 20 DE NOVO MICROSCOPIORVM 



Pofita hic diftantia obic(fli ante inftrumentnm 

 fl — .ldig. multiplicatio piodit »/— i5oo, at tadla 

 hac diftantia fl — jodig. multiplicatio obtinebitur 

 7«— 8000. 



VII. Foma mkrofcoplorum n—10. 



Mult. w=i'-^°i Diam. fpatii vifi —u^i et Clar. —,^%. 

 Diftantiae focalcs 



s a 



ri=II°=o, 477 

 j::=!? = i, 819 

 t — ll — i, 409 

 V=: i irro, 500 



Hinc tota longitudo AOzz 1631^15. 



Qiiodfi diftantia obiefti ante inftrumcntum ftatuatur 

 tf — 5 dig. multiplicatio oritur WZZ2480, fin autcm 

 capiatur flzz/s multiplicatio adco crit wzz 12400, 

 quousque certe vulgaribus microscopiis nunquam pcr- 

 venire licet. 



28. Hae poftcnores K^rmae nobis infupcr hoc 

 infigne commodum pracftant , quod lcntc obiccfliua 

 modicae mngnitudinis pracgrnndcs mnltiplicaticwcs 

 obtincri qucant , vchiti in forma poflrcma fi luma- 

 tur diflantia a vnius digiti , multiplicatio pritur 

 TOz:;i240^ atque in tauta diftantia rainimac innc- 



qu.ili- 



