Scientists for Uncle Sam awarded Magellan Gold Medal. Dr. L.J. Briggs, left, Assistant Director and Dr. Paul R. Heyl, Chief of the Sound Section of the United States Bureau of Standards, with the first successful experimental model of the earth inductor compass, which they developed for the Army Air

Government experts discover "perpetual" electrical current. Washington, D.C., March 10. Dr. F.B. Silsbee (left) and Dr. F.G. Brickwedge, of the Bureau of Standards, have just concluded experiments which have proved that an electric current, cut off from its original source, will flow eternally round

The first radio beacon is inaugerated. An executive photograph showing Dr. George K. Burgess, Director fo the United States Bureau of Standards, and the aircraft radio beacon at College Park, Maryland, designed for guiding airplanes by radio. This is the first radio beacon for use of civil aviation

Device takes time signal from pendulum of clock. ingenius apparatus takes a time signal from the pendulum. A clock without mechanical contact and the time thus. accurate to a small fraction of a second variation. day. This device was invented by R.E. Gould, Chief of Time Section of the

New fathometer used at full speed. Washington, D.C., May 7. Dr. Herbert Grove Dorsey of the U.S. Coast and Geodetic Survey has invented an instrument to secure the precise measurement. The machine sends a sound, pitched so high that it is above audibility, traveling thru the water a known speed, the

U.S. testing liveliness of baseballs. Washington, D.C., Feb. 21. Experiments to test the liveliness of American, National and International League baseballs began at the National Bureau of Standards today. Edward B. Eynon, (left) Secretary of the Washington Baseball Club, and Dr. Hugh L. Dryden, Chi

If you happen to be commander of a Navy ship you will be happy to know about this new piece of mechanism. It is the result of the combined efforts of various branches of the Navy Dept. It is a theodolite (compass for measuring the horizon) that will be used on Navy ships. Mr. R.L. Currie of the aero

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

Device for testing testers. Washington, D.C., May 25. Herbert L. Whittemore, Chief Justice of the Engineering Mechanics Sections, U.S. Bureau of Standards, has been awarded the Edward Longstreth medal for his work in developing this device for testing the machines which in turn test construction mat