Left, Radio-Testing Laboratory Perched on Top of 125-Foot Tower Overlooking Atchison, Kans., Is Designed to Get Away from Earth Disturbances While Testing and Improving Circuits; Right, Graham McNamee and Phillips Carlin Announcing a Bridge Game Above, New Radiophotogram Machine Installed in the Office of Naval Communications at Washington, D. C., Sends Photographs of Naval Messages in Facsimile Instead of the Usual Dots and Dashes; No Radio Operator Is Necessary: Philip G. Cronan, of the U. S. N., Looking Over a Specimen Message; Right, British Radio Alarm Designed to Ring a Bell When SOS Signals Are Received
