The largest and smallest radio sets on exhibition at the Radio Show in Wash.

The latest in radio development which has been perfected by Mr. H.P. O'Reilly of Wash., D.C.

Colored radio recorder is latest in radio receivers. E.B. Judson of the Bureau of Standards and his two colored radio recorder, automatically recording signals in two colors, red and black. This automatic receiver is capable of receiving signals from American or European stations

Motion pictures by radio coming soon. Motion pictures by radio is very near, predicts C. Francis Jenkins, who has designed this small radio- vision receiving set for use in the homes. It is only a few inches square and is attached to the regular radio receiving set. A miniature motion picture screen

U.S. Chief Signal Officer (G.S.Gibbs?) inspects new radio equipment for talking to Aviators in flight. The new aircraft-radio equipment designed by both the Signal Corps of the War Department permits of both radiotelephone and radiotelegraph communication, sending, receiving, at the same time. The a

Secty. Davis with radio, 3/9/22

In recognition of his having conducted the most successful radio show in the U.S. Alfred Stern, director of Washington's first radio show, was presented with this elaborate loop antenna by Dr. J. Harris Rogers, famous inventor. It is estimated that 50,000 persons attended this exhibition

Monitor, Receiver switch, United States Veterans Hospital. Designed and constructed by Radio Construction Corp., Washington, D.C.

Boss of the ether" tunes in. Rear Admiral W.H.G. Bullard, chairman of the newly created Federal Radio Board, who recently arrived in Washington from China, "tunes in" on a radio set in his office at the Department of Commerce