[Brian Griffin]

I also remember Telex machines.

[ProtectOurFreedom]

I used Telex all the time to communicate to the home office from remote job sites around the world - mid 70s.

I rode on steam locomotive trains.

The phone booth in remote China was powered by a stack of battery cells about 3" diameter and 10" tall. Similar to the EverReady No. 6 "Dry Cell":

[Larry Lucido]

"What the hell is email?"