The Story of Hasler's T200 Telex System   (Work in Progress)  
  Link to Documents and Pictures (in Dropbox)
Note regarding Dropbox: please simply access from your Browser!
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