iV. Obfervationes Sinenfes^ Communicatee a 
' D. Jacobo Caflini Acad. Reg. Par/ Soc, 
M/ffiitn eji nuper a Patrihus Societatis lefu in Regia 
Pekinenji aomicilium hahnliliu exemplar nonuila- 
rum ohfervationum iht hahitarum ad fitum illiia Vrhis de- 
terminanJum conferentium. 
Ex altitudine meridiana maxima Nellie polarh olfer* 
vata Die 31 Decemhris^ 1694. correilo inflrumento gra* 
duum /^t. 16. yo". Suppofita refrailione i\ 17''. et di- 
flantta ft ells polar is a polo turn temper is gr. 1.19. 
eruitur altitude poli gr. 39. 54. 56. 
Bx ejufdem fteSa polar is altitudine meridiana minima 
oiferv^ata Dieius 7, 8. 13 Maii^ 1695'. correilo inflru- 
mento graduum -^7. 36. 40". fuppofita Refratlione i\ 
a 8". ^ diftantia ftella polar is a polo gr. z. 19. 50. eru- 
itur altituio poli gr. 39. j jr. 2. 
Negleila Refrallione altitude maxima ftelU polaris 
dedu^la ex ohjervatione 31 Decemhris pracedentis fuiffht 
fuh initium Mali gr. 42. 16. 43. 
Et altitude ejufdem minima tunc fuit gr. 3 7. 36. 40. 
Quare differentia altitudinum 4. 40. 3 » 
£r diftantia fielU polaris a polo z. 20, 1. 
Et altitude poll apparens 39. 5^- 41. 
Ad banc altitudinem apparentem refrailio 
ex meaTalula e(l 1. 10. 
Quare altitude poli in Regia Pekinenfi 39^ 55'. 30. 
P//<rf J ohfervationes altitudinum meridianarum fteU 
latum fxarum in hunc ufum hahitce funt j fed h(;e mihi vi* 
dentur omnibus prefer ends. 
I 
Pro 
