VERITRAK
ELECTRONIC PROCESS MONITORING AND CONTROL SYSTEMS, AND INSTRUMENTS FOR SAID SYSTEMS-NAMELY, RECORDERS FOR PERMANENTLY RECORDING THE PROCESS VARIABLES, INDICATORS FOR VISUALLY INDICATING THE PROCESS VARIABLES, CONTROLLERS, PRESSURE TRANSMITTERS, DIFFERENTIAL PRESSURE TRANSMITTERS, CURRENT TO PNEUMATIC TRANSDUCERS, COMPUTING MODULES, MOUNTING CASES FOR THE INSTRUMENTS SUCH AS, RECORDERS, INDICATORS AND CONTROLLERS, AND RECORDING CHARTS FOR THE USE IN THE RECORDERS FOR SAID SYSTEM
Cancelled · October 3, 1967 · 72281714 ·