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workroomPrevention of vibration
OBJECTIVES AND EYEPIECES 4782
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Abbe Abbe condenser achromatic acid adjustment alcohol aperture aplanatic Apochromatic apparatus arc lamp Autochrome back lens bacteria blue bromide bull's-eye camera extension centring screws colour screens cone contrast convex lens correct cover-glass dark ground illumination detail diameter diatom disc Double convex lens exposure eyepiece film filter fitted focal length focussing front lens give given green ground glass high-power horizontal immersion iris diaphragm lamp lantern Leitz lenses Liliput Liliput 4 amp low-power magnification makers method micrography microscope monochromatic mounted necessary negative Nernst Nernst lamp numerical aperture objective oblique obtained Ocular oil-immersion optical bench ordinary orthochromatic panchromatic panchromatic plates parallel beam photograph photomicrography picric acid placed Plate Imperial position Potassium bromide projected radiant rays shown at Fig solution stage stained stand substage condenser suitable surface vertical camera W. B. R. To follow washed Watson's Universal Wratten's yellow Zeiss