Manufactured metal goods, namely, flanges used in creating or manipulating devices within a high or ultra high vacuum, gaskets, bolts, plate nuts and covers for use with flanges, gate valves, rectangular gate valves, angled and inline valves, bakeable metal valves, variable UHV leak valves, butterfly valves, foreline traps, vacuum pumps, vacuum gauge controls, glass viewports, quartz viewports, sapphire viewpoints, pyrex viewports, viewport adaptors, electrical feedthroughs, Rotary motion feedthroughs, linear motion feedthroughs, single and double action feedthrough manipulators, vacuum chambers, electron beam sources, electron beam source power supplies, and electron beam source controllers and monitor, for use in high and ultra high vacuum systems and applications