Two Very Useful Locations For Extension Telephones - Michigan Bell Telephone Co. - Vintage Trade Card

This trade card is suggesting extension telephones for the bedroom and the kitchen from the Michigan Bell Telephone Company.

Text: "Two very useful locations for extension telephones:
In the bedroom - Invaluable for emergency calls during the night. Saves running down stairs to answer calls, day or night.
In the Kitchen - For ordering supplies; for privacy of calls when guests are present; for placing and answering calls when cooking.
Costs less than 3¢ a day
Michigan Bell Telephone Co."