1922 ad: Real Radio Receivers for Your Ears

. Sunday, October 20, 2013

Made by Murdock Real Radio Receivers. Double set. 2,000 OHM $5.00. $3,000 OHM $6.00. Reliable service. Unequalled values. Guaranteed. Sold only 14 days' trial. Money back if not satisfactory. Bulletin of other Murdock Radio Apparatus on request. William J. Murdock Co. 509 Mission Street, San Francisco California. 55 Carter Street, Chelsea Massachusetts.
These are very early headphones that apparently had the radio receivers built in. I love the classic design.

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