No. 63 224. 



Tesla Experiments. 



1033 



63 216. 1 : 5. 



63217. 1:7. 



63 219. 

 1: 17. 



63216, 63221. I : 6. 



63222. 1:12. 



t 63,216. Discharger, Figure, with ebonite pillars on polished wood board 



63.217. -- idem, larger, on iron feet, Figure .. 



63.218. Whirl, Figure, for fitting on the high tension transformer 



63 224. 1 : 30. 



s. d. 

 1. 0.0 



t 63,219. Copper Stirrup, Figure, with 1 glow lamp, for the phenomenon of impedance 

 t 63,220. --id e m, with 4 glow of 35, 20, 10 and 5 volts pressure 



63,221. - - idem, after Kann, Figure, with 1 glow lamp and with folding stirrup, 

 for showing that self-induction is the cause of the phenomenon (Ztschr. f. d. phys. u. 

 chem. U., 20, 1907, p. 247). Without the dischargers No. 63,216 illustrated .... 



f 63,222. 2 Brass Plates, Figure, as conductors for producing a high frequency field 

 63,223. Leyden Jar, 16 cm high, with detachable point, for proving the positive flow 



in the neighbourhood of the transformer pole 



63,224. Large Brass Conductor, Figure, for experiments on distance effect, 90 cm 

 long, 26 cm diameter, nickclled, on 1.5 m high glass pillar, with large iron tripod . 



1.16.0 



0. 4.0 

 0.12.0 



1. 8.0 



0.16.0 



0.18.0 



0. 5.0 



5. 0.0 



CI. 2971, 2988, 



2973,6116,2974,2990. 



