A telephone operator plays homicide detective with her boyfriend, making it harder for the police.
A bank runner is accused of killing a woman for whom he deposited a large amount. Reporter and bank official investigate.
A boy's dog has run off and, with the help of unfortunately named marionette Handy, the kid learns to use a telephone to find him.
How the mobile telephone system works, and how mobile phones can benefit businesses such as trucking and construction companies.
Telephone current (personified as an animated messenger boy) travels to and fro across telephone wires to demonstrate what happens when a call is made through the late-1920s telephone system.
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