Umfang, Lau tstärke- 



Lautst'ärke- volume range. Licht- 

 range of lighi oscillations. 

 Negativ- intensity range of nega- 

 tive. Objekt- range of brightness 

 (in subject). Schall- sound in- 

 tensity range, s. contrast. 

 Schw'arzungs- range or latitude of 

 densities, density scale. Ton- 

 tonal range, compass. 



Umfang-kopieen, Gross- "hi-range" or 

 wide-range prints. -Kopien.Kl ein- 

 "lo-range" prints, -kraft 

 tangential force, circumferential 

 f., peripheral f. 



Umf angs-geschwi ndi gkei t circumfer- 

 ential or peripheral speed. 

 -geschwind! gkei tsmesser tachometer 

 (e.g., stroboscopic, with 

 strobotron). -Schwingungen cir- 

 cumferential oscillations or 

 vibrations. 



umfassen embrace, comprise, span, 

 encompass. 



umfassend comprehensive, extensive, 

 embracing. 



Umf lache circumferential, contour 

 or ambient surface. 



umf Hessen flow around or in contact 

 with, circumcirculate, skirt in 

 flowing. 



ilmformbarkei t re-formability, de- 

 formability. 



Umformer converter, inverter (from 

 d. c. to a.c. ), thyratron; trans- 

 ducer. Mess- measuring trans- 

 ducer. Pendel- vibrating rec- 

 tifier. Schweiss- welding con- 

 verter. 



Um-gangskl appe by-pass (clack) 

 valve, -gebung surroundings, 

 environment, ambient, ambiency. 



umgehen by-pass, circumvent, 

 obviate, dodge, avoid, evade; go 

 around, circumnavigate. 



Umgehungsschaltung by-pass circuit, 

 b.-p. connection. 



umgekehrt proportional inversely 

 proportional. 



umgekehrter oder umgestülpter Fuss 

 re-emranL squash or press (of a 

 Lube). 



umgi essen re-castj cast around 

 (something). 



309 Umklappen 



Umgrenzungslinie contour, boundary, 

 peripheral or circumferential 

 line. 



Umgrösserung enlargement or reduc- 

 tion, change in size or dimension. 



Umgrösserungsverhäl tni s ratio of en- 

 largement, r. of magnification. 



Umguss transfer (by pouring), de- 

 cantation; recasting, recast. 



Umhängeriemen shoulder strap. 



Umhüllung covering, wrapping, cas- 

 ing, envelope, jacket, sheathing, 

 shrouding. 



UmhiJl lung, Papier- paper wrapping. 



Umhiil lungsllnie envelope, contour 

 line. 



Umkehr, Sei bst- self-reversal (of 

 spectral lines) 



Umkehr-absorptionskanten reverse 

 absorption edges or limits. 

 -bad reversing bath. 



umkehrbar reversible, revertible, 

 capable of being turned over or 

 out. 



Umkehrentwicklung reversal process- 

 ing, r. developing. 



Umkehrer, Phasen- phase inverter, p. 

 reverter. 



Umkehr-erscheinung(bei Beleuchtung 

 von Schichten) photographic re- 

 versal or solarization (in layer 

 exposure), -film film resulting 

 from developing by reversal. 

 -prisma(cf Hmkehrungspr. ) invert- 

 ing prism, -punkt reversal 

 point, -röhre converter tube. 



Umkehrung, Band- speech band in- 

 version or transposition (in 

 garbled or scrambled secret 

 telephony). Bild- image inver- 

 sion, i. reversion (when two 

 axes, i.e., right and left, top 

 and bottom simultaneously inter- 

 changed); solarization (reversal 

 of gradation sequence, due to 

 overexposure) Silben- syllable 

 inversion (in garbled telephony). 



Umkehrungspri sma, Doppel- inversion 

 prism (^inverts in both axes of 

 image). 



umkippen unlock time base. 



Umklappen reversal (say, of mo- 

 lion). 



