Polklemme 



216 



Präzisionswage 



Polklemme pole terminal, -papier 

 pole paper, p. -finding p. 



Polster, Luft- air cushion, a. 

 pocket; dashpot. 



pol-suchgl immlampe polarity-finder 

 glow-tube, p. indicator, -teilung 

 pole pitch. 



Pol ung, Gegen- opposite 'polarity, 

 opposition of p., reversal of p. 



Pol -Wechsel reversal of polarity, 

 change of p. -Zwischenraum pole 

 clearance, inter-polar space or 

 gap. 



Porenraum pore space, cell s., cell 

 cavity. 



Porzel lan-erde porcelain clay, China 

 c, kaolin, -masse porcelain 

 body. -Schiffchen porcelain boat. 

 -tiegel porcelain crucible, -ton 

 porcelain clay, kaolin. 



Posaune trombone, -, durchschl agende 

 trombone with free reed (organ). 

 Alt- alto trombone. Diskant- so- 

 prano trombone. Zug- slide trombone. 



posaunenartig verschiebbar shiftable 

 trombone-fashion or like a telescope, 

 telescoping. 



Posaunenauszug telescoping means, ex- 

 tension m. (for tuning Lecher-wire 

 system). 



Positiv, Bromsilber- positive in sil- 

 ver bromide. Meister- mother 

 record, master positive. Original- 

 master positive. 



positive elektrische Ladungseinheit 

 unit positive charge. 



Positron positron, positive electron, 

 antielectron. 



Postmikrophon solid-back transmitter, 

 carbon-back microphone or telephone 

 instrument. 



Potential ,Abstossungs- repulsion po- 

 tential. Entstehungs- appearance 

 potential, ionization p. 

 Geschwind igkeits- velocity poten- 

 tial. Gleichgewichts- equilibrium 

 potential (of mosaic). Grenzfl'ichen- 

 interface potential. Rückstoss- 

 recoil potential. Strömungs- 

 flow potential, streaming p. 



Potential-berg potential barrier. 



-fljfche, konstante equipotential 

 surface, isopotent ial s. -gefalle, 

 weltzeitlicher Anteil universal 

 diurnal (variation) component of 

 potential gradient, -hü gel 

 potential barrier, -kästen, 

 -mulde potential hole, p. well, 

 -schwelle potential barrier. 



Potenz, in die n*e - erheben 

 raise to the nth power. 



Potenz-gefall potential gradient, 

 -schwel le(Kerndurchdringung) nuclear 

 penetration factor. 



potenzieren raise to higher power 

 (by process of involution, math.) 



Potenzreihe exponential series, 

 power s. (math. ) 



Präge-bär ram (of a press), -film 

 (cf Gravarfilm) engraved sound 

 film (track cut in film). 



pr'agen stamp, coin, imprint, im- 

 press, emboss. 



pragepol ieren roll polish, r. 

 finish. 



Prägepresse screw press. 



Prägung, Rand- marginal embossing 

 of film. 



Präklusivfrist preclusion period. 



Pral 1-elektrode electron mirror, 

 dynode, reflecting electrode, 

 impactor anode (of multiplier 

 phototube or photo-electric elec- 

 tron-multiplier phototube), target 

 electrode, rebound or reflecting 

 impactor (of Weiss mesh multi- 

 plier). 



prall en (cf prellen) rebound, bound, 

 bounce, be reflected. 



Prall-kraft elasticity, resiliency, 

 -winkel angle of reflection, a. of 

 ricocheting. 



Praparier-arbeit dissecting work 

 (micr.). -lupe dissecting lens. 



prasseln crackle, rustle, rattle. 



Pratze claw. 



Praxis, in die - überführen 

 reduce to practice or to a prac- 

 tical form, work a patent or the 

 invention disclosed therein. 



Präzisionswage precision balance, p.. 

 scales. 



