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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.
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.
Not all students received the same science education in this simple machines unit, therefore the content varied.
This means they are made of two or more simple machines working together.
Because the upper grades also study simple machines, some students volunteer to present the project to other classes.
But all are based on certain mechanical principles demonstrated in the simple machines of antiquity.
3) or, alternatively, take apart a compound machine and show how the simple machines inside make it work.
Students will be able to build a slingshot using simple machines.
uk A wonderfully simple machine, which doesn't take up too much room in the kitchen.
uk) is a simple machine for the style conscious, which is dishwasher proof so you needn't worry about mess and cleaning.
Projects range from simple machine components to completely automated turn-key systems.