Gl immröhre, Resonanz- 



I2H 



Greifer 



Resonanz- resonance indicator 

 glow-tube (flashograph). 



Gl imm-säule light column, glow c. 

 (of tuning indicator). -Spannung 

 glow pointer potential, breakdown 

 p. (indicates incipient glow- 

 discharge in grid-glow tube); 

 anode p. (at which glow-discharge 

 begins, in photocell), stopping p. 

 (lies slightly below glow p., in 

 photo-glow or grid-glow t. , and 

 is the value to which p. must be 

 dropped to stop glow-d. once it 

 has started). -( strecken )span- 

 nungsteiler glow-tube potentiome- 

 ter, -summer glow-tube type buz- 

 zer oscillator (produces relaxa- 

 tion waves), neon time base. 

 -Verlust corona loss, -zelle 

 photo-emissive gas-filled cell 

 (operating at a potential slight- 

 ly below critical discharge po- 

 tential), photo-glow tube. 



Glocke globe, bell. Jar, glass; re- 

 ceiver (of air pump). 



Glocken-f liter bell-Jar filter, 

 -klöppel bell hammer, bell striker, 

 -magnet bell-shaped magnet, -spiel 

 carillon (set of bells), orches- 

 tra bells, -trichter bell funnel. 



glühen heat, incandesce, anneal, 

 glow, fire, ignite. 



glijhelektr i sch thermionic. 



Gl üh-el ektronenabgabe thermionic 

 emission, Edison or Richardson 

 effect, -el ektronener.li adung 

 thermionic discharge. -faden, 

 -biegsamer ductilized filament. 

 -faden, gespritzter squirted 

 filament, -fadenpyrometer disap- 

 pearing-fi lament pyrometer, op- 

 tical p., monochromatic p. 

 -kathodengleichr Ichter mit Edelgas 

 tungar (argon-tungsten) type 

 rectifier, -kör per incandescent 

 body or mantle, Welsbach mantle, 

 -rück stand residue on ignition, 

 -span mill iron, hammer scale. 



Glutmesser pyrometer. 



gnomon i sehe Karte gnomonic chart 

 (straight-course chart). 



Gol d-bergkei 1 Goldberg wedge, 

 neutral (grey) w. -blatt gold 

 leaf, g. foil, -bl attelektrometer 

 gold-leaf electroscope or elec- 

 trometer, -gl immer yellow mica. 



goldhaltig auriferous. 



Goldquarz auriferous quartz. 



Goniometer, Eisen- iron-cored 

 goniometer. Reflexions- reflect- 

 ing goniometer. 



Grabstichel graver, burin. 



Grad, vom ersten linear. 



Grad, Aussteuerungs- modulation 

 percentage, percentage modulation; 

 carrier amplitude (in tele-trans- 

 mission). Blähungs- expanding 

 property, swelling p., imbibition 

 power. Durchlass- (von Wasser) 

 transmission factor (of water), 

 radiation through water. Winkel- 

 degree of angle, radian (unit of 

 circular measure of angle). 



Gradation contrast. 



Gradationskurve, Steilheit der 

 gamma value or slope of response 

 line. 



Grad-bogen graduated arc, bow, pro- 

 tractor, -netz graticule, reti- 

 cule, reticle; map grid. 



Gramm, Atom- gramatom. 



Grammophon, Licht- sound-track film 

 player (without pictorial actions). 



Granalien shot, granulated metal. 



Graphitbelag Aquadag coating. 



Grätzschal tung Gratz (full-wave) 

 rectifier circuit organization 

 (four electrolytic r. per phase in 

 a bridge scheme). 



Grau-keil neutral (grey) wedge, 

 Goldberg w. -keil stufe inter- 

 mediate shading value (of wedge). 

 -Schleier grey fog (phot.). 

 -Strahlung grey radiation, -stufe 

 intermediate tonal or shading val- 

 ue (between white and black, of 

 picture) . 



Gravarfilm engraved sound film, em- 

 bossed groove recording. 



Gravitationsfeld gravitational field. 



Greifer claw (of in-an-out movement 

 or feeder mechanism); pull-down 



