Jim Donegan ✅ · @jimdonegan
1263 followers · 2872 posts · Server mastodon.scot#Vintage #Telephone #Technology - Evolution of #DirectDialing #Calls - #Bell, #ATT #WesternElectric
"This #Film shows early #TelephoneEquipment and systems from the 1940’s up to the 1950’s, including telephone #TransmissionLines, early #Switchboards and #Operators, and the introduction of direct dialing systems and many aspects of the early #TelephoneSystem in use circa 1940-1950."
https://www.youtube.com/watch?v=rMtnvcMMtME&ab_channel=ComputerHistoryArchivesProject
#Documentary #TelephoneExchange #SDD #SubscriberTrunkDialing #Switching
#switching #subscribertrunkdialing #sdd #telephoneexchange #documentary #telephonesystem #operators #switchboards #transmissionlines #telephoneequipment #film #westernelectric #att #bell #calls #directdialing #technology #telephone #vintage