valve push
31Constant speed propeller — Cutaway constant speed propeller hub …
32Water gun — A water gun (or water pistol, squirt gun, or water blaster) is a type of toy designed to shoot water. Together with water balloons, these devices are the primary tools used to soak another during a water warfare game. Historically, water guns… …
33Wolf tone — A wolf tone, or simply a wolf , is produced when a played note matches the natural resonating frequency of the body of a musical instrument, producing a sustaining sympathetic artificial overtone that amplifies and expands the frequencies of the… …
34Automatic transmission — An automatic transmission (commonly AT or Auto ) is an automobile gearbox that can change gear ratios automatically as the vehicle moves, freeing the driver from having to shift gears manually. Similar but larger devices are also used for heavy… …
35Single-ended triode — In a single ended triode (SET) vacuum tube electronic amplifier the entire audio signal waveform is amplified by the power triode, in contrast to push pull amplifiers where two output tubes work together in phase opposition. Small signal audio… …
36Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …
37Organ — • A musical instrument which consists of one or several sets of pipes, each pipe giving only one tone, and which is blown and played by mechanical means. Catholic Encyclopedia. Kevin Knight. 2006. Organ Organ …
38Diesel engine — Diesel engines in a museum Diesel generator on an oil tanker …
39Tube sound — (or valve sound) is the characteristic sound associated with a vacuum tube based audio amplifiers. Some audiophiles prefer the sound that is produced by the distortion characteristics of tube based amplifiers. The audible significance of tube… …
40Clutch — For other uses, see Clutch (disambiguation). Rear side of a Ford V6 engine, looking at the clutch housing on the flywheel …
