Definition that contains apparatus
- lighting apparatus for supplying artificial light effects for the stage or a film
- telegraph apparatus used to communicate at a distance over a wire (usually in Morse code)
- incubator apparatus consisting of a box designed to maintain a constant temperature by the use of a thermostat; used for chicks or premature infants
- copier apparatus that makes copies of typed, written or drawn material
- brooder apparatus consisting of a box designed to maintain a constant temperature by the use of a thermostat; used for chicks or premature infants
- duplicator apparatus that makes copies of typed, written or drawn material
- telegraphy apparatus used to communicate at a distance over a wire (usually in Morse code)
- wilson cloud chamber apparatus that detects the path of high-energy particles passing through a supersaturated vapor; each particle ionizes molecules along its path and small droplets condense on them to produce a visible track
- optical bench apparatus for observation and measurement of optical phenomena
- heat pump apparatus that extracts heat from a liquid that is at a higher temperature than its surroundings; can be used to transfer heat from a reservoir outside in order to heat a building