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efficiency

(Encyclopedia)efficiency. 1 In business and industry, see industrial management; productivity. 2 In physics, seemachine; work. ...

typewriter

(Encyclopedia)typewriter, instrument for producing by manual operation characters similar to those of printing. Corresponding to each key on the instrument's keyboard is a steel type. Activated through a series of ...

Marly-le-Roi

(Encyclopedia)Marly-le-Roi märlēˈ-lə-rwä [key], town (1990 pop. 16,775), Yvelines dept., N France, on the Seine River near Versailles. Nearby is the hamlet of Marly-la-Machine, where in 1682 a huge hydraulic e...

Bramah, Joseph

(Encyclopedia)Bramah, Joseph brămˈə, bräˈ– [key], 1748–1814, English inventor. In 1784 he took out his first patent on a safety lock, and in 1795 he patented his hydraulic press, known as the Bramah press ...

calculator

(Encyclopedia)calculator or calculating machine, device for performing numerical computations; it may be mechanical, electromechanical, or electronic. The electronic computer is also a calculator but performs other...

automated teller machine

(Encyclopedia)automated teller machine (ATM), device used by bank customers to process account transactions. Typically, a user inserts into the ATM a special plastic card that is encoded with information on a magne...

heart-lung machine

(Encyclopedia)heart-lung machine, device that maintains the circulation of the blood and the oxygen content of the body when connected with the arteriovenous system; it is also called the pump oxygenator. The machi...

Vare, William Scott

(Encyclopedia)Vare, William Scott, 1867–1934, American political leader, b. Philadelphia. He engaged in machine politics and became (1898) a member of the select council of Philadelphia. He was recorder of deeds ...

knitting

(Encyclopedia)knitting, construction of a fabric made of interlocking loops of yarn by means of needles. Knitting, allied in origin to weaving and to the netting and knotting of fishnets and snares, was apparently ...
 

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