Measuring Instruments and Meters Not Including Gas Meters, Wind Velocity and Direction Indicators, Gyro Instruments, Geodetical Instruments, Aeronautical and Maritime Navigational Instruments, Radio Beacons, Direction Finding Equipment, Optical Instruments, Including Prismatic and Specular Arrangements for Air Beacons, Lenses, Objectives, Prisms, Field Glasses, Spectacles, Microscopes, Magnifying Glasses, Heliographs, Gun Sights, Sighting Intruments for Artillery Use, Periscopes, and Range Finders, Cash Registers, Calculating Machines, Industrial X-Ray Apparatus and Accessories, Distance Measuring Devices, Weighing Machines and Scales, Spectropolarization Apparatus, Stereoscopes, Kaleidoscopes, Stroke Recorders, Taximeters, Tachometers, Liquid Gauge Apparatus Not Including Gauge Apparatus for Gas Fired Equipment, Speed Regulators and Speed Indicators for Mechanisms Other Than Automotive Vehicles, Electrical Cinematographic Apparatus Including Projectors and Lamps for Industrial Purposes, Electrical Sound Film Equipment but Not Including Magnetic Sound Recording Tapes, Electrical Recorders, Microphones, Amplifiers, Loud Speakers, Public Address Systems, and Radios, Electrical Whistles, Electrical Remote Control Apparatus, and Maritime and Aerial Navigation Equipment, Lenses, and Glass Reflectors for Illuminating, Signalling, Optical, Viewing, and Measuring Apparatus, and Cameras for Industrial Purposes