No. 63301. 



Stationary electric Waves. 



1045 



63 292. 1 : 7. 



63294. 1:8. 



63 293. 1 : 15. 



03. 294. Wavemeter after Drude, with oil condenser, especially for determining the duration l. 

 of oscillation of wire coils (Drudes Ann., 9, 1902, p. 293), Figure, without helium 



tube 8. 0. 



63,294 a. Tesla Transformer with Leyden Jar, after Drude, for above (Drudes Ann., 9, 1902, 



p. 293) 2. 8. 



63. 295. Helium Tube for vise with the Drude Wavemeters, Pliicker form with two electrodes 0.15/0 



03.296. -- idem, with one electrode j 0. 14. 



03.297. - - i d e m, without electrode 0. 12. 



03.298. - - i d e m, cylindrical pattern with one electrode 0. 14. 



03.299. Apparatus for Measuring the Dielectric Constant of Liquids, after Drude (Wied. Ann., 



61, 1897, p. 466) 5. 0. 



03.300. --id e m, after Schmidt, for determining the Dielectric Constant of Crystals (Drudes 



Ann., 9, 1902, p. 919) 5. 0. 



63.301. Model after (iarbasso. for Explaining the Hertzian Resonance Phenomena (Ztschr. t. 



d. phys. u. chem. U. 15, 1902, p. 331, Fig. 7; Fr. phys. Techn. I, 2, Fig. 3284) . . 13. 0.0 



Cl. 3582, 4695. 



urn;.. 



