The Technology Inside: How the Original Trimline Telephone Actually Worked?

Tina Zhu

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Does the big button telephone require batteries or an external power source?

Allen Hong

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From Innovation to Icon: The Story of the Trimline Telephone

Tina Zhu

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Basic Telephone brings peace of mind in emergencies

Allen Hong

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Does antique telephone require an external power source?

Sundy Cai

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Everything You Need to Know About Caller ID Telephones

Kerry Duan

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Is the antique telephone a working telephone or just decorative?

Kerry Duan

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What Is Caller ID and How Does It Work? Common Questions and Answers

Sundy Cai

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How does an audio guestbook phone work?

Allen Hong

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