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Nova praxis construendi circinum proportionalem horographicum : eoque ritè confecto omnis generis horologia in planis regularibus et declinantibus expeditissimè et exactissimè delineandi, in proximi commodum typis proposita & figuris instructa (1695)

Saher, Susanna Christina, d. 1702 · Viennae Austriae : Apud Susannam Christinam, Matthaei Cosmerovij, Sac. Caes. Majest. typographi aulici viduam · leaf 49

An illustration from Nova praxis construendi circinum proportionalem horographicum : eoque ritè confecto omnis generis horologia in planis regularibus et declinantibus expeditissimè et exactissimè delineandi, in proximi commodum typis proposita & figuris instructa, 1695, leaf 49
pertura Circini proportionalis (de qua prius diximus, ad Tropicos inveniendos ) defumi debet ex diftantia duorum pun- clorum proximiorum centro Circini proportionalis in fig. 4.quae puncta nullis nu- meris , fedlineolafuntnotata; &qualemIongitudinem exhibet in fig. 15. Stylus CE, qui Sole… … PROBLEMA XVII. JEquinoffiale inferius defcriberz^. HOc prorfus eodem modo quoad omnia conficitur, ficut ./EquinoCHale fu-rrpenus j fed illi folum infcribuntur horaja 6. matutina ufque ad 6. Vefperti- ^uninam, & Signahyemalia, proutinfigura 14. videre eftj namhocplanum non nifiXl V.tempore…

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