third and fourth ink form roller systems being parts of printing presses and comprised of hanger brackets, ink form roller adjustment knobs, gear-driven ink form rollers, idler rollers and oscillators, sold as a unit; continuous dampening systems being parts of printing presses and comprised of metered rollers, water form rollers, and oscillating rollers, sold as a unit; printing press impression spring kits comprised primarily of non-ferrous coil springs for increasing impression pressure; push and pull guide register systems being parts of printing presses and comprised of hanger brackets, cam actuators, coil springs and adjustment knobs, sold as a unit; printing press compressor output kits comprised of pulleys and belts for increasing the volume of air flowing from the compressor; printing press parts, namely back air blowers, ink bridge rollers, auxiliary oscillators, segmented ink fountains, oversized hand wheels, long micro side guides, and static eliminators