????? ???????? ?????????? ??
???????? ??????? ????
????? ??????? ??
???
???????????? ??? ???????? '
????????
' ????
???????
?????? ?? ???? ?? ??
??????????
(astrolabe) ?? ????????? ????? ?????? ???
[1]
?? ??? ???? ?? ????? ??? ???? ?????? ?? ??? ??????? ?? ?????? ?? ??? ????? ???
- ↑
Glick; ??? ????, ????? (2005).
Medieval Science, Technology, and Medicine: An Encyclopedia
. Routledge. ???
464
.
????????????
0-415-96930-1
.
the Jain astronomer Mahendra Suri (
fl.
1370)...wrote the first Indian treatise on the astrolabe, called the
Yantraraja
(1370)
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