electrical gauging systems comprised of computer hardware, computer software, electronic controllers, color monitors, temperature probes, air gauge circuits and digital calipers for use in contact gauging the physical dimensions of the surfaces of mechanical parts such as automobile, tractor, and earth mover parts and the like

semiconductor wafer measurement stations for the measurement of semiconductor wafer flatness, shape, thickness, conductivity type and secondary flat location, and associated computerized controllers for control and data acquisition

PRESSURE GAUGES AND PARTS AND COMPONENTS THEREFOR