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Scientific American: The Amateur Scientist
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Scientific American - The Amateur Scientist (Tinker's Guild)(2000).iso
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amsci01
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1955
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07
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1955-07-03.gif
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Graphics Interchange Format
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2000-09-11
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15KB
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184x350
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8-bit (256 colors)
Labels:
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OCR:
image amplit tude above ohase plate objec tive amplitude under phasc phase plate plate phase grat ting condenser imade