Of chinese society of history of mechanical engineering 1988 - 1990 ; 12 . interview for oral history of technology 技术史天文仪器史和力学史，以及西方科学技术向中国的传播。
General astronomy tutorial , education links , web courses , documents at the ucsd center for astrophysics and space sciences -中国专业天文仪器及天文技术研究和发展的重要机构。
20 . zhang baichun , an initial investigation of traditional oil press in south china by zhang baichun , feng lisheng , 10 .清朝前期观象台天文仪器的欧洲化，中国科技史料， 1999年第20卷第4期，第198 - 200页
Send your request or product information to this corner , so as to let more people knows what you want to sell or buy 欲以第一时间买到你的心头好或转让物品作升级用途,快将您想买或卖的天文仪器资料放在本廊
21 . zhang baichun , gu hongying , choice and trammels : reflections on the acceptance of modern machine technology in the late qing dynasty 13 .明末欧洲式天文仪器的试制与使用，中国科技史料， 2000年第21卷第1期，第75 - 82页
Centuries and its position in the history of chinese and european instruments in chinese , shenyang : liaoning education press , 2000 . 397 pages 2明清测天仪器之欧化十七十八世纪传入中国的天文仪器技术及其历史地位，辽宁教育出版社， 2000年， 397页
Borrowing of telescopes and teaching materials is limited to in - service teachers and school astronomy societies only . please call 2734 2744 for the borrowing procedure 中心内天文仪器和教具则只限在职教师及学界天文团体借用，请致电本中心2734 2744查询借用手续。
The sundial shows the time by indicating the movement of the sun as the shadow of the pointer moves . the equatorial sundial became popular in the southern song dynasty ( 1127 - - 1279 ) 风行于南宋（公元1127 - - 1279年）时期赤道日晷是一种古老的天文仪器，利用日照时指针投影的位置表示时间。
