Freeze
发表于 2025-3-23 11:15:45
http://reply.papertrans.cn/16/1543/154291/154291_11.png
otic-capsule
发表于 2025-3-23 15:16:54
http://reply.papertrans.cn/16/1543/154291/154291_12.png
Freeze
发表于 2025-3-23 20:38:12
http://reply.papertrans.cn/16/1543/154291/154291_13.png
欲望小妹
发表于 2025-3-23 22:12:11
Die Wasserbestimmung nach Karl Fischer,drive which can easily be adapted for use in either hemisphere. This project requires the careful work of a craftsman, if it is to be made well enough for the accurate tracking of which it is capable. It is highly suited to the ATM with advanced woodworking skills and access to a well-equipped works
臭名昭著
发表于 2025-3-24 03:06:31
https://doi.org/10.1007/978-3-663-04607-3 . was published, since when several hundred ATMs have made their own cameras. This is an attractive option, since the “Cookbook” CCD can be built for about half the cost of a commercial instrument. Although he had no knowledge of electronics, Al Kelly followed the instructions and built this device
围巾
发表于 2025-3-24 09:56:46
https://doi.org/10.1007/978-3-663-04607-3 they are vibration-free and will therefore not resonate with the mount or telescope. David Johnson made this drive-corrector for use with the synchronous motors of his telescope drive. Ten years later it is still working perfectly, enabling him to take excellent CCD images from his home in the nort
微粒
发表于 2025-3-24 12:32:44
http://reply.papertrans.cn/16/1543/154291/154291_17.png
瘙痒
发表于 2025-3-24 17:07:49
http://reply.papertrans.cn/16/1543/154291/154291_18.png
离开可分裂
发表于 2025-3-24 19:45:30
https://doi.org/10.1007/978-3-8349-6413-7scopes or optics. Gil Stacy has found creative uses for commonly available materials and artefacts, much of which many people would class as scrap, to build his “Operation Skinflint”, a 15.5 in f/4.8 Dobsonian reflector for a cost of less than $400.
coagulate
发表于 2025-3-25 00:26:51
http://reply.papertrans.cn/16/1543/154291/154291_20.png