home *** CD-ROM | disk | FTP | other *** search
/ Scientific American: The Amateur Scientist / Scientific American - The Amateur Scientist (Tinker's Guild)(2000).iso / amsci01 / tblib / opticalinsts / -32.jpg < prev    next >
Joint Photographic Experts Group Image  |  2000-09-11  |  44KB  |  434x373  |  8-bit (256 colors)
Labels: awning | bar | chair | cutaway | desk | earth | paper | seat | shelf | sky | stage | table | windowpane
OCR: quartz prisms quartz prisms with alumini zed on back front faces ground scre main- tor Tm lense quartz reflccting tair focus throuph prisms Out the Spectrum inter entrance mediate drum calibra teo sli yave leng tha pin leveling screw This rotates tam the stiding rear uo prism the pin table A prevents partition stray you) light shown) from tion main throughout minimum the Spectrum devia one 51 em entering the other he en trance and cur com for prism atic distortion form lenses auartz cali brated levelino cntering