Durchführung 



63 



Durchprojektion 



potential); flow (of RF, etc.). 



Durchführung wall entrance, bushing, 

 duct, lead-in. Innenraum- in- 

 door bushing. 



Durchführungs-isolator, Wand- wall 

 lead-in or bushing insulator. 

 -Stromwandler bushing-type cur- 

 rent transformer. 



Durchgangs-draht through-wire. 

 -frequenz penetration frequency. 

 -richtung forward or low-resist- 

 ance direction (rectifier). 

 -widerstand volume resistance (ex- 

 clusive of surface r.), insulation 

 r, 



durchgeben filter, strain. 



durchgehend(er) Draht through-wire. 

 -^s) Licht transmitted light, 

 transcident 1. 



Durchgriff grid controllance, g. 

 penetration factor, grid trans- 

 parency, transgrid action, gain 

 reciprocal l:n 



Durchgrifflinse jcf Lochblendenlinse) 

 aperture lens (through which field 

 or anode may act or draw elec- 

 trons). 



Durchhang sag, slack, -verfahren 

 "toe" method of recording (under- 

 exposure of film, Tobis method 

 using toe region of Hurter i 

 Driffield curve). 



durchi<opieren print through. 



Durchl ass clearance, lumen. 

 -breite band-width, pass band. 



durchlassen filter, strain, trans- 

 mit (light, etc.), let through 

 or pass. 



Durchl ass-frequenz pass wave. 

 -grad (von Wasser) transmission 

 factor (of water), radiation 

 through water. 



durchlässig, halb- semi -permeable, 

 semi-transparent. 



Durchlässigkeit transmittancy, 

 transmissivity, transmitting 

 property or power (for rays, 

 electrons, etc.), transparency, 

 perviousness, penetrability, 

 permeability (magnetic). 



Durchlässigkeit für ultrarote 

 Strahlen diathermancy, property 

 of being diathermanous. 



Durchlässigkeit, Filter- trans- 

 mi ttance (ratio of filtered to 

 unfiltered current). Kopie- 

 transmission of picture. Licht- 

 light transmittance, transmittancy 

 (spec, of unit thickness). Luft- 

 air penetrability, a. pervious- 

 ness. Ultrarot- infrared trans- 

 mittance or transmittancy, dia- 

 thermancy. 



Durchl ass-kurve selectivity curve 

 (of a direction-finding receiver). 

 -richtung forward direction, low- 

 resistance d. (of a rectifier). 

 -widerstand forward resistance 

 (of rectifier). 



Durchlauf running through or pass- 

 age (of a film). Bildzeil en- 

 line traversal. 



durchlaufen pass through, traverse, 

 cover, sweep (a line). 



Durchl aufkopiermaschine continuous 

 film printer. 



durchleuchtend transparent, dia- 

 phanous. 



Durchl euchtung trans-illumination, 

 transmission of light; radioscopy. 

 -mit Roentgenstr, (diagnostic) 

 radioscopy, radiography, 



Durchl euchtungsapparat f luoroscope, 

 cryptoscope. 



durchlöchert punctured, perforated, 

 pierced, punched, apertured, hav- 

 ing holes or pits, -(er) Bügel 

 beehive shelf (gas drying). 



Durchmesserwicklung full-pitch 

 winding. 



Durchmesserwicklung des Senders op- 

 erating transmitter at high modu- 

 lation percentage. 



durchmustern survey, review, cata- 

 log or count (stars). 



durchnässen wet (thoroughly), soak, 

 steep. 



Durch-perl ungselektrode bubbling- 

 type electrode, -projektion 

 back projection, diaprojection. 



