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.
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.
How the mobile telephone system works, and how mobile phones can benefit businesses such as trucking and construction companies.
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