Collections
ΟΤΕ
// ΜΤ-024424 // 1950s (Reference)
Telephony – telegraphy network
DImensions: 35 mm Location: - Material: negative film
Sketch of telephony - telegraphy network. Array of overhead line poles for carrier signals
In Copyright
Sketch of telephony - telegraphy network. Array of overhead line poles for carrier signals
In Copyright