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/ The Way Things Work / Way Things Work, The (1994)(Dorling Kindersley).iso / article3 / ther / ther0n.dib (.png) < prev    next >
Bitmap Image  |  1994-04-27  |  8.8 KB  |  181x86  |  4-bit (11 colors)
   ocr: MERCURY The mercury column acts as a - piston - to push the steel markers up the tubes. -