1050 



Voltaic Electricity. Section 10: Wireless Telegraphy (Radio-telegraphy). 



No. 63 326 



63 326 A. l : r>. 



63 326 B. 1:5. 



63,326. Complete Wireless Telegraphy Demonstration Apparatus after SLaby-Arco, Figs. A D, * 



with aerials as in No. 63,327 21. 0. 



The Transmitting Station consists of an induction coil with platinum intenupter, adjustable 

 spark gap, 2 Leyden Jars, a variable self-induction coil and a Morse key. 



The Receiving Station contains a tuning coil, a small condenser, a relay, a coherer, the tapper 

 and a dry cell. 



Morse Ink Writers, <!'. Nos. 62,327, 62,329 and 62,332. 



A complete description of the apparatus forwarded on application. 



<;:;. .".I 1 7. Wireless Telegraphy Demonstration Apparatus, "Telefunken" System; Fig. A, Trans- 

 mitter; Fig. B, Receiver; Fig. C, Transmitter and aerial system; without Morse Writer 

 or Alarm 



The connections of this apparatus are in exact accordance with the modern method of eon 

 necting up this system, such as employed in the larger Telefunkon plants having high frequency 

 oscillation circuits. 



The apparatus comprises a complete Transmitting and Receiving Apparatus (without Writer) 

 also two identical aerial systems for transmitting and receiving. The table included in the illustration 

 is not covered by the above price. 



Description and instruction!, for use on application. 



Suitable Morse Ink Writers: see under Xos. 62,327, 62,329 and 62,:;.;i'. 



23. (i. 



Cl. 3051, 

 SOW. 



