Motor driven timing devices for automatically controlling washing and dry cleaning machines, electric motor actuators, synchro transducers, air volume controllers for water pressure systems, testing devices and other instruments which measure and record pressure, temperature flow and liquid level for use in aircraft space projects, process industries; temperature gauges, liquid level gauges, pressure gauges, wire terminal and material pull testers, mechanical force gauges, material testing machines and accessories, beverage measuring dispensers, ammeters, volt-meters, thermometers, process control and recording instruments, temperature control instruments, timing and pressure actuated mechanisms for opening parachutes, automatic dispensing and counting devices, physical test instruments, testing equipment and accessory instrumentation for determination of hardness, tensile Strength, flexure, creep, relaxation, fatigue, torsion and other physical characteristics of a wide variety of materials; precision pressure testing instruments, diaphragm seals and check valves, being parts of gas pressure regulators,