LIST OF ILLUSTRATIONS 



23. Curve of selenium cell . 47 



24. One of the first photographs wired by Korn's com- 



pensated selenium machines ... -49 



25. Photograph of King Edward, wired to London 



November yth, 1907 . . 50 



26. Photograph showing induction effects . . 53 



27. Example of a news photograph sent from Paris . 55 



28. Diagram illustrating principle of the telautograph . 62 



29. Korn's telautograph transmitter . . 63 



30. Diagram of stylus holder 65 



31. Diagram of Korn telautograph ... -67 



32. Diagram of synchronising arrangement ... 70 



33. Wiring of reverser 71 



34. Reception to Sven Hedin, wired from Paris to 



London by Telautograph 75 



35. Example of Fashion Plate wired by the Korn 



Telautograph 77 



36. Diagram showing duplex transmission . . -79 



37. Line drawing transmitted by Telautograph . . 81 



38. Example of line sketch from photograph, wired by 



the Korn Telautograph from Paris to London . 83 



39. Damping of oscillograph string 85 



40. Example of half-tone photograph transmitted from 



Berlin to Paris by Telautograph .... 86 



41. Telectrograph tracing stylus 91 



42. Curve showing charge and discharge of a cable . 92 



43. Diagram of connections of line balancer ... 93 



44. Photograph showing the balancing effect of the 



Telectrograph arrangement 94 



45. Portrait of first lady councillor of Liverpool. Wired 



by the Telectrograph from Manchester to 



London 98 



46. Portrait of Mr. Howarth, telegraphed from Man- 



chester to London by the Thorne- Baker Telectro- 

 graph . ioo 



47. Half-tone single line negative image, as ordinarily 



used for the Telectrograph . . . . .102 



48. Finish of the St. Leger, wired by the Telectrograph . 104 



