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2015年度夏季休業日 8月13日 木 8月16日 日 のお知らせ. プレスリリース 無料で EQ を伸ばすためのオンライン講座が受講できる クリック.
The following images show a basic platform for a Dobsonian telescope which allows the scope to track an object simply by rotating the platform about its axis. The platform swings between the two bolts which attach it to the base. The virtual axis formed between the two bolts needs to be aimed at the celestial pole. The tube and Dob base each need to be roughl.
Current developments on training and scientific activities of the Hanoi University of Mining and Geology. Seismic Deformation Processes Inferred from Geodetic Observations. Dr Yui Kouketsu ,Dr.
Specialising in fabrication, assembly, refurbish and installation of.