BSTJ 3: 1. January 1924: Photomicrography and Technical Microscopy in Its Application to Telephone Apparatus. (Lucas, Francis F.) (1924)
leaf 19
PHOTOMICROGRAPHY AND TECHNICAL MICROSCOPY 115 of the preceding operation have all been removed and finer ones established in the new direction. This is continued to the 000 paper, after which the specimen is further polished on a polishing machine having a broadcloth covered lap capable of being… … Fig. 15—General view of the Laboratory for Technical Microscopy. semi-polish and when properly carried out, leaves the specimen with numerous very fine scratches. The final operation is carried out on another lap covered with very fine broadcloth and with an exceed- ingly fine abrasive such as the…
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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