W. & L. E. GURLEY

ENGINEERING INSTRUMENTS AND SURVEYING INSTRUMENTS, I. E. THEODOLITES, TRANSITS, LEVELS, COMPASSES, ALIDADES, PLANE TABLES, LEVELING RODS, STADIA RODS, KANGE POLES; ACCESSORIES AND FIELD EQUIPMENT FOR SURVEYORS-NAMELY, HAND LEVELS AND PLUMMETS; HYDROLOGICAL INSTRUMENTS, I. E. WATER LEVEL RECORDERS, WATER LEVEL INDICATORS, CURRENT METERS AND HOOK GAGES; TESTING INSTRUMENTS FOR PAPERS AND TEXTILES; STANDARD WEIGHTS AND MEASURES; METEOROLOGICAL INSTRUMENTS, I. E. ANEMOMETERS, WIND DIRECTION INSTRUMENTS, WIND DIRECTION AND VELOCITY RECORDERS AND PILOT BALLOON THEODOLITES; AND OPTICAL INSTRUMENTS, I. E. BORE INSPECTION TELESCOPES, COLLIMATORS AND TELESCOPES; LENSES, PRISMS, MIRRORS, FLATS AND RETICLES