When every radio user was an amateur:

[Karl W4KRL]

http://www.shorpy.com/node/7322?size=_original#caption

Washington, D.C. December 19, 1922. "Rep. Vincent Morrison Brennan,
Republican of Michigan, listening in on the proceedings of the House, with a
receiving set." National Photo Co. Collection glass negative.

http://www.shorpy.com/files/images/23690u.jpg

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