No. 63256. 



Resonance of Electric Waves. 



1037 



63 256, 63 254, 63 259, 63 209, 62 513. 1:10. 



Set for demonstrating the resonance of electric waves by Seibt's Method. 



63 255. 1 : 5. 



s. d. 



Seibt's Apparatus for demonstrating the Resonance of 



Electric Waves. 



(E. T. Z., 1902, pp. 315 et seq; Phys. Ztschr., 4, 1902, p. 99.) 



63.252. Large Resonance Coil after Seibt, Figure, 2 m long, on base, with two lateral 



wires 2. 5. 



63.253. - - idem, with evacuated glass tube on one side and wire on the other, 1 m long 3. 0. 



63.254. Resonator after Oudin, with 2 terminals, with ebonite grip for tuning accurately, 

 Figure 2.8.0 



63.255. Variable Self-induction (Exciter Solenoid), Figure 3.6.0 



63.256. 2 Small Resonance Coils with ebonite pillars on serpentine stone bases, of different 

 winding and colour, Figure Each 1. 2. 2. 4. 



Cl. 5136, 

 3002. 



