BAILEY

MEASURING, CONTROLLING, AND REGULATING INSTRUMENTS, SYSTEMS, AND APPARATUS-NAMELY, RECORDERS, INDICATORS, INTEGRATORS, REGULATORS AND CONTROLLERS OF COMBUSTION, OF PROCESSES AND OF FLUID FLOW AND CONDITIONS PERTINENT TO FLUIDS SUCH AS RATE OF FLOW, LEVEL, TEMPERATURE, AND PRESSURE: REMOTE RECORDING, INDICATING, INTEGRATING, CONTROLLING AND TELEMETERING INSTRUMENTS, ADJUSTABLE ORIFICES AND OTHER APPARATUS APPURTENANT TO SUCH INSTRUMENTS; [ AIR TRACER CONTOUR CONTROL AND DUPLICATING ATTACHMENTS; ] GAS ANALYZERS, INSTRUMENTS AND CONTROL PANEL BOARDS, TIME CYCLE INSTRUMENTS AND CONTROLLERS, [ WEIGHING SCALES; ] AND ELECTRIC AND FLUID PRESSURE SELECTOR SWITCHES; PRESSURE, TEMPERATURE, LEVEL AND FLUID FLOW RESPONSIVE CONTROL VALVES; AND CHARTS PECULIAR TO THE OPERATION OF SAID INSTRUMENTS AND APPARATUS