BSTJ 3: 1. January 1924: Photomicrography and Technical Microscopy in Its Application to Telephone Apparatus. (Lucas, Francis F.) (1924)
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photograph was taken with a modern medium-power apochromatic objective. Microscopic examination of textile and paper fibers affords a means of identification second to none. The fibers are recognized by characteristics peculiar to each and by color reactions to different stains. Cotton, for… … Fig. F. Electrical porcelain by polarized light, magnification 100 X. The quality of the porcelain may be judged to a_considerable degree by a microscopic examination. The degree of vitrification is indicated by the round- ing of the sharp corners on the quartz grains; whether or not the porcelain…
Specimen · Photomicrography · Technical · Eyepiece · Objective · Magnification · Light · Microscopy · Microscope · Color · Arc lamp · Illuminating train · Technical microscopy · Polarized light · Bell system · Numerical aperture · Resolving power · System technical · Technical journal · Automatic arc
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