Field-intensity measuring sets for the 60 Mc/s, 200 Mc/s and the police-radio bands have been developed.
An account is given of the development of carrier telegraph transmission in Australia, from 1927 to the present time.
Developments in Communication Materials 1 By WILLIAM FONDILLER The subject of engineering materials is one of increasing importance, as is evidenced by the expenditure of over a half billion dollar
E F O R E discussing specific antenna systems, it appears desirable to review the general problems of short-wave communication and to observe wherein antenna design can assist in overcoming existin
tests have been used for many number of laboratory methods measuring the performance ARTICULATIONThe continued ofapplication of years as one ofofa telephone circuits.
A brief historical review is given of the development of the group of 4 companies operating under the management of the American Cable and Radio Corporation.
This paper describes a new copper rod and wire mill located at t h e Western Electric C o m p a n y ' s Plant at Chicago.
T h i s p a p e r describes d e v e l o p m e n t s in t h e m a n u f a c t u r e of lead covered paper insulated telephone cable c o m p l e t e d d u r i n g t h e past three years.
HE traffic executive deals with questions which lead him into the consideration of problems of widely differing natures.
We report deviation for the i=4 quantum Hall plateau from its quantized value, in narrow GaAs-AlGaAs quasi-1-d wires of width ~2000angstroms.
