On the Magnitude of the Tear. W 



D. H. M. 



Harpalus An. an. Chr. 520 365 13 



Democritus of Abdera vrho J An. an. Chr. 456 365 6 



studied among the Chaldeans ) 

 Meton, the inventor of the lunar J „ ,„ 



Cycle, who with Eutemonob-S- An. an. Chr. 422, 3C5 6 18 56 61 

 served the solstices . . .3 

 Aphioditus, an Egyptian . . An. an. Chr. 400 365 3 



An. an. Chr. 330 365 6 



An. an. Chr. 282 365 6 1 16" 



An. an. Chr. 266 365 6 



An. an. Chr. 136 365 5 056 16'" 



An. an. Chr. 83 365 6 



Calippus Cyzicenes 

 Aristarchus of Samos 

 Archimedes of Sicily 

 Hipparchus the Bythinian 

 Gemius of Uhodes . 

 Sosigenes, who assisted Julius ^ 

 ■Caesar in reforming the Ca- J- An. an. Chr. 46 365 6 



lendar j 



5saacius, a Jewish priest . . An. Chr. (uncert.) 365 5 S 



Ptolemy An. Chr. 140 365 6 55 12" 



Rabbi Adda the Jew, who j „ „, /«« 



corrected the Hebrew Ca- ^ An. Chr. 340 365 5 55 25 26 20 



lendar j 



■Rabbi Samuel (uncertain) 365 6 



Albategniu.« in Assyria ^79 365 5 46' 24" 



The Persian astronomers, according to Scaliger . 365 5 4B 30 



Longomontanus 3C5 5 48 53 20 



Bulialdus 365 5 48 59 



Alphonsus, king of Castile, assisted by the J „ „, ,,„ 



Arabian, Moorish and Jewish astro- V 1250 365 5 4.9 15 58 49 

 nomers ......... S [16"'" 26""" 



This jnagnitude of the year was followed "j 



by Georgius Perbachus at Ferrara, in S 1450 365 5 49 16" 



Italy and Vienna 3 



Bernardus Walthenis of Nuremburg, a } jcq^ 3(55 5 49 jq 



scholar of Regiomontanus . . . . ) 

 Copernicus, three magnitudes: 



Greatest 365 5 55 37 4 > ^^^^^ 3^5 5 4;, 15 03 -^q 

 Least . o65 5 42 55 7 i 

 Hieronyraus Cardan, Professor at Bononia 1530 365 6 48 41 



Daniel Lambech 1561 365 5 43 41" 42'" 



[33"" 50'"" 10"""' 



Ignatius Dantcr of Bononia 1576 365 5 45 36 



Maginus, from the Prutenic Tables, three magnitudes; 



Greatest 36.5 5 55 53 ) j^j^^^ 3(55 5 49 jg 

 Least . 365 6 4^ oM ) 



Meesthines from the same Tables 365 6 49 15 46 



Christophorus Clavius and AloysiusLeliui J 1582 365 6 49 12 



at the request of Pope Gregory XI 11. i 

 Tycho Brahe the Danish astronomer . ... 365 5 48 45 

 Kepler of VVirtemt)urg, mathematician to J j^n? 365 6 48 57 36 



tlirce Emperors S 



C'hristianu3 Scvt-rini Longomontanus, Danish 

 Professor at Hafnia or Copenhagen : 

 Three raagnituocs : 

 Greatest 365 5 51 29 12 } j^j 355 5 49 55 



Least . 305 6 46 20 48 < 

 Da'/id OriraiHit of Silesia, Professor pf Ma^ 



C 2 



