Rohr, Hebe- 



235 



Röhre, Knopf- 



Hebe- syphon (tube). Hosen- sy- 

 phon or Y-pipe. HUI 1- encasing 

 tube, jacket pipe. Neben- side 

 or branch tube or pipe. Perl- 

 bead tube (filled with glass b. 

 to break up a fluid). Skal en- 

 scale tube (of spectroscope). 

 Stern- astronomical telescope. 

 Übersetzungs-( in Schwundregelung) 

 converter tube (in avc circuits, 

 between regulator and regulated 

 tubes). Zähl- counter tube 

 (Geiger - Müller). 



Rohr-bildung tubing or piping ac- 

 tion, -blatt reed (of clarinet). 



Röhrchen tubelet, capillary tube. 

 Schreib- pen, syphon (of a re- 

 corder ) . 



Röhre (cf Rohr) tube, valve, pipe, 

 duct, conduit. -, abgeschmolzene 

 sealed off tube. -, fremderregte, 

 fremdgesteuerte master -excited 

 tube (with independent drive cir- 

 cuit). -,tu8slose loctal tube. 

 -,gassgefül Ite gas-content tube, 

 gaseous t.; gassy t. -, harte 

 hard tube, highly evacuated t. 

 -»indirekt geheizte heater-type 

 tube, indirectly heated t. - 

 negativen Widerstandes dynatron 

 oscillator. -,quetschfussfreie 

 loctal base tube. -, selbsterregte 

 self -excited or self -oscillatory 

 tube (in a direct drive circuit). 

 -, weiche soft valve, ionic v., 

 gas-filled tube, gassy t. 

 -, zerlegbare demountable tube. 



Röhre, Abstimm- tuning indicator 

 glow-tube (e.g., flashograph), 

 c.-r. indicator t. or magic eye. 

 Achtelektroden- octode. Ampli- 

 tuden(gl Ifiim)- glow-tube amplitude 

 indicator, resonance i., tuning i. 

 of neon type. Ballast- absorber 

 valve, a. tube (takes energy dur- 

 ing spacing periods). Beeinflus- 

 sungs-modulator tube. Bildabtaster, 

 mit mechanischer Blende Parnsworth 

 dissector or electron camera tube, 

 Dieckmann I Hell magnetic scanner, 

 Campbell^winton c.-r. scanning or 



pickup tube. Bl Idschrelbe- 

 te lev is or tube, viewing t., pic- 

 ture-reproducing tube using 

 cathode rays. Bi Idspelcher- 

 signal- or charge-storage tube, 

 normal iconoscope. Bi Idspeicher- 

 und Bildwandler- supericonoscope. 

 Bremsfeld- (cf Premsfeldschaltung) 

 retardation valve, Barkhausen- 

 Kurz retarding-f ield or positive- 

 grid t. Doppel gitter- bigrid 

 tube, b. valve, double-grid t. 

 Doppel steuerend- power pentode 

 wherein cathods grid is connected 

 with control g. rather then with 

 cathode. Doppelzweipol- duodiode. 

 üoppelzwelpol-Orelpol- duodiode- 

 triode tube. Doppel zwei pol- 

 V I er pol- duodiode-tetrode tube. 

 Dreielektroden- triode. Drelfach- 

 three-unit tube, three-purpose t. 

 Eichel- acorn tube. Einschluss- 

 sealed. tube, tlektronen- thermion- 

 ic tube, electronic t., electron 

 tube, e. valve. End- power tube, 

 end t. Entladungs- discharge tube, 

 vacuum t. Exponential- exponen- 

 tial tube, variable-jx t. Fünfpol- 

 pentode tube (either of power 

 type or of screen-grid type). 

 Gasentladungs- gas discharge tube 

 or valve. Gerauschunterdruckungs- 

 squelch tube, noise-reduction t. 

 Glättungs- glow-tube stabilizer. 

 Habann- type cf split-anode mag- 

 netron, dynatron oscillator 

 (strictly, dynatron uses secondary 

 electrons). Haupt- main oscilla- 

 tor (in independent drive system). 

 lonensteuerungs- thyratron. 

 Isolier- buffer tube, isolating t. 

 Kathodenstrahl- thermionic tube 

 (obs. ); beam t. ; Lenard cathode- 

 ray t.; Braun and other c.-r. 

 tubes working with beam and screen 

 such as oscilloscope, iconoscope, 

 emitron, kinescope, Parnsworth 

 dissector and oscillight, etc- 

 Klppentladungs- time-base dis- 

 charge tube. Klein- miniature 

 tube. Knopf- shoebutton tube. 



