The Story of Hasler's T200 Telex System   (Terminated 22.Jan.2020)  
  Link to the T200 Story and Documents (in Dropbox)
Dropbox: Simply access from your Browser! You may download files for off-line reading or printing! 
The first T201 Telex Exchange in Hongkong
Cutover to Service on 2nd February 1972
Switch-off the last T203 System in Lugano
Switch-off on 31st August 2020