Janssen's microscope was far too simple and less effective

Janssen's microscope was far too simple and less effective

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送交者: Wood 于 2006-10-25, 13:02:14:

回答: 显微镜谁发明的？由 EnvBio 于 2006-10-25, 10:12:06:

only 3 - 10 times magnification

http://micro.magnet.fsu.edu/primer/museum/janssen.html