Kathode, Siedekühl ung- 



116 



Keil, Stufen« 



or coat (of oxide, pno to-sensitive 

 substance, etc.). Siedeklih lung- 

 vapor-cooled cathode. 



Kathoden-anheizzei t cathode heating 

 time (till stable temperature is 

 reached), thermal tine constant. 

 -ansatzpunkt spot (of arc) formed 

 on cathode, -dunkel raun, 

 Crookes cathode dark space, 

 Crookes' dark s. , Hittorf's 

 dark s. -f ackelerscheinung 

 cathode flicker effect, -fallablei- 

 ter valve arrester, -fleck des 

 Hg-Lichtbocens, fixierter an- 

 chored cathode spot of mercury 

 arc. -licht(haut) cathode glow. 

 -llnie cathode line, -neuaktivie- 

 runc cathode re- activation, c. 

 rejuvenation. -siedekUhlung 

 vapor cooling for catnode. 

 -spretren flicker or spitting of 

 cathode, -sprung cathode jump of 

 potential. 



Kathodenstrahl-abtaster electron- 

 beam scanner. -biJndel cathode-ray 

 beam or pencil; gun. - intens i- 

 tatskontrol le catnode-ray beam 

 intensity modulation (by shield, 

 grid or Wehnelt cylinder). 

 -röhre thermionic tubes (obs. ); 

 beam tube; c.-r. tube, oscillo- 

 scope, iconoscope, emittron, and 

 other tubes operating with beam 

 and screen; Lenard t. -röhre, 

 gasgefüllte gas-filled c.-r. tube, 

 soft t. working with a c.-r. (for 

 ionic or gas focusing). 



Kathoden-verstärker cathode follower. 

 -Zerstäubung cathode disintegra- 

 tion, c. spatter, splutter or sput- 

 ter. 



Kathodo-1 umineszenzlampe cathode- 

 glow tube, -phon cathodophone, 

 diaphragmless microphone, glow- 

 discharge m. 



Kation cation (positive ion moving 

 toward cathode; negative ion 

 called anion). 



Katzenauge bull's eye (small thick lens). 



kaubar masticable. 



Kauf nehmen, in accept something 

 (at the expense of), be tolerable 

 or tolerated. 

 käuflich commercial (grade), mer- 

 chantable, purchasable. 

 Kaust ik caustic (opt.). 

 Kaution stellen give bail, bond or 



securi ty. 

 Kavitation cavitation. 

 Kegel, Anflug- sector of approach. 

 Ganzpol- polehode cone, body cone. 

 Licht- cone of light, luminous c. 

 Rastpol- herpolhode, space cone. 

 Re i bungs- pole of friction. Seh- 

 angle of vision, cone of v. 

 (camera work.) Strahlen- cone of 

 rays. Stunpf- truncated cone, 

 frustum. 

 Kegel-antenne, Doppel- double-cone 

 antenna, cage a. -druckprobe 

 cone -(indentation) test, -feder 

 volute spring, -lehre taper gage. 

 -mantel cone-shaped shell. -Projek- 

 tion conical projection (of a map). 

 -rad bevel wheel, cone w. , mitre w. 

 -radgetriebe bevel gearing, mitre- 

 wheel g. -schnitt conic section. 

 -stumpf truncated cone, frusto c. , 

 frustum, -ventil conical valve, 

 ball V. 

 Kehle throat, larynx, channel, 



flute. 

 kehlen groove, slot, flute, channel, 



key. 

 Kehl-kopfmikrophon laryngophone, 

 throat microphone, -nahtschwei s- 

 sung fillet weld. 

 Kehr-doppelwendel reversed double 

 loop, -wendel return spiral, 

 reversed s. , helix, coil or loop. 

 -wert reciprocal value, inverse v. 

 -wert, Zäh i gke its- fluidity (re- 

 ciprocal of viscosity). 

 Keil wedge, key, cotter, jib, liner. 

 Shim. Dreiecks- triangular wedge, 

 Goldberg- Goldberg wedge, neutral 

 (grey) w. Streifen- photometric 

 wedge. Stufen- step tablet. 

 Stepped (photometric) absorption 

 wedge (X-ray, etc., work). 



