Piston Machine: An espresso machine that uses a piston operated by a lever to force brewing water at high pressure through the compacted bed of ground coffee.

 

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Piston Machine: An espresso machine that uses a piston operated by a lever to force brewing water at high pressure through the compacted bed of ground coffee.

Totally-Enclosed Pipe Ventilated Machine: A totally-enclosed machine except for openings so arranged that inlet and outlet ducts or pipes may be connected to them for the admission and discharge of ventilating air. Air may be circul . . . View Full Definition

Totally -Enclosed Air-To-Air-Cooled Machine: A totally enclosed machine cooled by circulating internal air through a heat exchanger which, in turn, is cooled by circulating external air. Provided with an air-to-air heat exchanger for c . . . View Full Definition

Totally-Enclosed Water Air-Cooled Machine: A totally-enclosed machine cooled by circulating air which, in turn, is cooled by circulating water. Provided with water-cooled heat exchanger for cooling ventilating air and fan or fans, in . . . View Full Definition

Tide Predicting Machine: A mechanical analog machine especially designed to handle the great quantity of constituent summations required in the harmonic method. William Ferrel's Maxima and Minima Tide Predictor (des . . . View Full Definition

Universal Machine: One of several types of machines where weights are on tracks or rails and lifted by levers or pulleys.

Weight Machines: Stationary equipment mostly found at gyms that are easy to use and help you to safely and quickly advance through a strength-training workout.

Weather-Protected Machine: Type I (WPI) weather-protected machine is an open machine with its ventilating passages so constructed as to minimize the entrance of rain, snow and airborne particles to the electric parts . . . View Full Definition

Virtual Machine: A self-contained operating environment that behaves as if it is a separate computer. For example, Java applets run in a Java virtual machine (VM) that has no access to the host operating sys . . . View Full Definition

Universal Milling Machine: A milling machine with a worktable that can be swiveled for milling helical work. It is always supplied with attachments, including an indexing fixture.