Telegraph - Claude Chappe
Calling card - The Great Wall
Telephone cable - Mix & Genest
Telephone
Cable - Wireless
Telephony - Hasler
Telex Center - Globe
Transcom - Transmitter - Receiver
Globe - Earth - Telecommunication
World Year of Communication
Antenna - Satellite receiver
Telephones - Fax
Telex - Euro telex publisher
Telex - World publisher
