chemical reactor an apparatus for holding substances that are undergoing a chemical reaction
condenser lens used to concentrate light on an object
copier,
duplicator apparatus that makes copies of typed, written or drawn material
electrograph electrical device used for etching by electrolytic means
generator engine that converts mechanical energy into electrical energy by electromagnetic induction
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
heliograph an apparatus for sending telegraphic messages by using a mirror to turn the sun's rays off and on
brooder,
incubator apparatus consisting of a box designed to maintain a constant temperature by the use of a thermostat; used for chicks or premature infants
instillator medical apparatus that puts a liquid into a cavity drop by drop
kipp's apparatus a laboratory apparatus for producing a gas (usually hydrogen sulfide) by the action of a liquid on a solid without heating
lighting the craft of providing artificial light; "an interior decorator must understand lighting"
nuclear reactor,
reactor (physics) any of several kinds of apparatus that maintain and control a nuclear reaction for the production of energy or artificial elements
optical bench apparatus for observation and measurement of optical phenomena
pendulum an apparatus consisting of an object mounted so that it swings freely under the influence of gravity
still an apparatus used for the distillation of liquids; consists of a vessel in which a substance is vaporized by heat and a condenser where the vapor is condensed
submersible a warship designed to operate under water
telegraph,
telegraphy apparatus used to communicate at a distance over a wire (usually in Morse code)
