PTT Archive
The PTT Archive (formerly Historical Archive and Library PTT) is the archive of the former Swiss Postal, Telegraph and Telephone Services (PTT). In 1997 PTT was split into two companies: Swiss Post) and Swisscom.
The PTT Archive (formerly Historical Archive and Library PTT) is the archive of the former Swiss Postal, Telegraph and Telephone Services (PTT). In 1997 PTT was split into two companies: Swiss Post) and Swisscom.
The PTT Archive (formerly Historical Archive and Library PTT) is the archive of the former Swiss Postal, Telegraph and Telephone Services (PTT). In 1997 PTT was split into two companies: Swiss Post) and Swisscom.
Source: Wikipedia "PTT Archive" · CC BY-SA 4.0
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