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MACHINE. A contrivance which serves to apply or regulate moving power; or it is a tool more or less complicated, which is used to render useful natural instruments, Clef. des Lois Rom. h.t.
2. The act of congress gives to inventors the right to obtain a patent right for any new and useful improvement on any art, machine, manufacture, &c. Act of congress, July 4, 1836, s. 6. See Pet. C. C. 394; 3 Wash. C. C. 443; 1 Wash. C. C. 108; 1 Wash. C. C. 168; 1 Mason, 447; Paine, 300; 4 Wash. C. C. 538; 1 How. U. S., 202; S. C. 17 Pet. 228; 2 McLean, 176.

References in periodicals archive ?

An inclined plane is a simple machine that consists of an upward or downward slanting surface that allows a load to be moved with less force.

One zany device: teens compete in an off-the-wall contest with their one-of-a-kind contraption

This research paper reports on a case study that investigates the use of information communication technology (ICT) as a teaching tool for Year 7 students' learning of simple machines.

Self-directed learning with web-based sites: how well do students' perceptions and thinking match with their teachers?

Not all students received the same science education in this simple machines unit, therefore the content varied.

Science, standards, and differentiation: it really can be fun!

This means they are made of two or more simple machines working together.

Wheels and gears Level C

Because the upper grades also study simple machines, some students volunteer to present the project to other classes.

Integrating Measurement Projects: Sand Timers

But all are based on certain mechanical principles demonstrated in the simple machines of antiquity.

Basic physics for homesteaders

3) or, alternatively, take apart a compound machine and show how the simple machines inside make it work.

Pulleys, planes, and student performance

Students will be able to build a slingshot using simple machines.

Build your own slingshot: design, create, pull, aim, and fire!

A basic fluid foil--such as the kite, sail, or fan blade--is simple in design and ranks among the oldest simple machines (Table 1).

The fluid foil: the seventh simple machine: the fluid foil has had a major impact on the evolution of the global economy and on human society in the areas of transportation and energy and power technologies

uk A wonderfully simple machine, which doesn't take up too much room in the kitchen.

Gadgets

uk) is a simple machine for the style conscious, which is dishwasher proof so you needn't worry about mess and cleaning.

6 of BEST COFFEE MAKERS

Projects range from simple machine components to completely automated turn-key systems.