170 



VOCABULARY. 



circuit d'utilisation, supply circuit. 

 cire d'Espagne, sealing-wax. 

 clapet, clack-valve, flap-valve. 



articule", articulated valve, 

 clef d'un arc, key-stone, summit, 



apex, center-voussoir. 

 clichage, cliche casting. 

 cloche, bell-shaped glass jar. 

 cloison, compartment. 

 Ccesium, Caesium, 

 colonne en fer, iron pillar, 

 comble, roofing, roof, 

 combustible, fuel. 

 commande (partie d'une machine 



qui en commande une autre), 



driving-gear, driving-wheel. 

 commander, to operate, control, 

 commutateur, commutator, switch, 



circuit-changer, key. 

 (se) comporter, to act, to behave, 

 compose", compound. 

 compresseur, compressor, 

 compteur, meter. 



An instrument for recording or indi- 

 cating automatically the quantity, force, 

 or pressure of a fluid passing through 

 it or actuating it. 



electrique, electric meter, 

 concasser, to pound, 

 condenseur, condenser. 

 conducteur, conductor, 

 conducteur, conductrice, adj. con- 

 ducting. 



conduite d'eau, conduit of pipes, 

 water-work. 



c6ne, cone. 



congeler, congeal, freeze. 



constante capillaire, capillary con- 

 stant. 



constructeur, designer, constructor. 



contact de cuivre, copper contact. 



continu, continuous. 



contre-ventement, cross-beams. 

 coque, hull (of a vessel). 

 cordeau, cord, line, tape, 

 cornue, retort. 

 corps compose", compound body. 



de lettre, body of a letter. 



de pompe cylindrique, pumping 

 cylinder. 



determine", definite body. 



isolant, insulator, 

 couche (assise), layer, coating. 

 mince couche, film. 



couder, to form a knee or angle, 



to bend at right angles. 

 coulant de serviette, napkin-ring. 

 coulomb, coulomb. 



The unit of a circuit of one ampere 

 passing a given point in one second, 



coup de feu, burning a boiler 

 (burning the metal of a boiler). 



coup de piston, stroke, piston's 

 travel, length of stroke. 



coupe, section. 



longitudinale, longitudinal sec- 

 tion. 



transversale, cross-section, 

 coupelle, cupel. 



d'os, bone-ash cupel, 

 couple (element), element. 



voltaique, voltaic element. 

 courant alternatif, alternate cur- 

 rent. 



alternateur, alternate current. 



inducteur, inducing, main cur- 

 rent. 



induit, induced current. 



A current excited by the variation of 

 an adjacent current or of the surround- 

 ing magnetic field. 



polyphase", polyphase current, 

 couronne, hoop, ring. 

 crampon, nail, hook. 



