73196752
Dec 13, 1978
Mar 3, 1981
Optical Glass; Glass Lenses; Optical Magnifiers, Reflectors, Haemoglobin Cell Counter Slides, "Peeping Glass" (Used for the Viewing of Furnaces), Flow Indicator for Medical Oxygen Units, "Push to Test" Indicator Button for Use on Lift Controls, Prisms for Use in Optical Communications, Experimental Molding for Glass Fiber Optics, Cylindrical Lens for Computer Card Readouts, Close Tolerance Dish for Radiation Analysis in Atomic Energy Plants, Cell Lid for Color Analysis of Liquids, Light Indicator Designed for Use on Dimmer Type Lampholders-All Made of Glass; Eye Glasses; Glass Screens and Calibrated and Graduated Glassware for Laboratory Use; Glassware for Scientific Purposes; Transmitter/Receiver Lens for Photoelectric Controls; Colored Indicators for Flameproof Electrical Equipment; and Precision Ground Glass Balls
Electrical and Scientific Apparatus