Rachenlehre gap gage. 



Rad, Daumen- sprocket wheel. 

 Färb- inking wheel, i. roller, 

 FlUgel- worm wheel, screw, s. 

 propeller. Hemm- escapement 

 wheel, brake w. Kamm- cog wheel. 

 Kegel- bevel wheel, mitre w., cone 

 w. La Cour'sches phonic wheel. 

 P-f'eil- double helical or herring- 

 bone gear wheel. Rayleigh-, 

 Schal Ireakt ions- Rayleigh disk 

 (placed in a sound field). 

 Schnecken- worm wheel, worm. 

 Schrittschalt- siep-by-step 

 wheel, stepping w, Schwung- 

 fly wheel, balance w. SPerr- 

 ratchet wheel, cog w. Spiegel- 

 mirror wheel, Weiller scanning w. 

 or drum, drum scanner with per- 

 ipheral mirrors. Steio- escape- 

 ment wheel, ratchet w. Stern- 

 star wheel. Stift- sprocket 

 wheel. Stirn- spur wheel. 

 Stufen- step wheel, cone pulley. 

 Ton- tone wheel. Umlauf- planetary 

 wheel. Vorschub- feed wheel. 

 Zei 1 en Spiegel- line scanning mir- 

 ror wheel (of Scophony Co. ) 



Rad-bewegung rotary motion, wheel m., 

 rotation, -buchse bushing. 



Rlidchen, Reiter- Jockey wheel, j. roller 



Raddrehung rotation; torsion. 



Rädern shredded wheat effect (m.p. ) 



radförm ig rotate, spider-shaped, 

 wheel-s., radial (of a structure). 



radial symmetrisch radially symmetric, 

 in radial symmetry. 



Radier-f irni s etching varnish, 

 -grund etching ground. 



radioaktiv(e) Emanation radioactive 

 emanation (known as radon, thoron 

 and actinon). -(es) Folgeprodukt 

 metabolon. -(es) Gleichgewicht 

 radio-active equilibrium (being 

 either transient or secular), 

 -(er) Niederschlag radioactive 



dq)osit, film of r. matter, 

 -(e) Produkte metabolons, succes- 

 sive disintegration products of 

 radioactive materials. 



Radioaktivität, kUnstl iche induced or 

 artificial radioactivity. 



Radio-amateur radio fan,r. amateur, 

 "ham", -meterf lUgel radiometer 

 vane. -sonde(für Wetterforschung) 

 radiometeorograph, radio sonde. 



Radium-behal ter radiode (glass or 

 metal tube or capsule), 

 -emanatfonseinheit curie unit 

 quantity of radon. 



Radius, Abrundungs- contour radius. 

 Krlimmungs- radius of curvature, 

 -vektor radius vector. 



radizieren extract the root, evolve. 



Rad-kranz wheel rim, tire, -linie 

 cycloid (in stroboscopic aberra- 

 tion), epicycloid. -ph*änomen 

 wheel illusion, -reifen tire, rim. 

 -satz axle plus two (shrunk-on) 

 wheels, -stand wheel base, -taster 

 wheel -opera ted means (causing sig- 

 nals, bell ringing, etc.) 



Radtkeverfahren sound reproduction 

 method of A.A. Radtke (invented 

 1917, USP issued 1938); cell im- 

 pulse amplified, while maintain- 

 ing and restoring grid potential 

 by high impedance between cell 

 cathode and negative end of source 

 of potential. 



Raff-aufnahme, Zeit- time -lapse-mo- 

 tion photography (low-speed 

 shooting, high-speed projection. ) 

 -bild time-lapse picture, fast- 

 motion p. 



Raffer,Mikro- camera for stop-motion 

 or time- lapse motion micrography. 

 Zeit- time-lapse or stop-motion 

 camera. 



Raffinieranlage refinery, refining 

 plant. 



Rahmen stator, frame, former; loop 



