How to send a telegram
A Chicago-to-Los Angeles train pulls up to a station for a brief stop. Sandwiches, coffee, and telegrams await. From The Narrow Margin (dir. Richard Fleischer, 1952).
An EXchange name sighting
From Pitfall (dir. Andre de Toth, 1948), an exchange name in a telegram.
Telegram (Easy Living)
You either find this sort of thing inspired and funny or you don’t.