HILGER & WATTS

Laboratory, Machine Shop and Other Uses, Measuring Instruments, and Parts Thereof-Namely, Precision Levels; Clinometers, and Work Tables, Supporting Bases and Optical Reflectors Therefor; Autocollimators and Mounting Brackets, Stands, and Levelling Bases Therefor, and Optical Reflectors, Reflector Carriages, Prisms, Gauges, Electric and Photoelectric Read Outs and Recorders, Automatic Position Sensors, Small Angle Generators, Optical Rotating Units, Angle Calibration Units, and Optical Sighting Aids for Use Therewith; Alignment and General Purpose Telescopes and Eyepieces, and Autocollimating Eyepieces Therefor; and Optical Prisms, Angle Gauges, Optical Squares, Optical Reflectors, Reflector Carriages, Optical Polygons, and Surface Plates