- Bliv medlem
-
Log ind
Du er ikke logget ind
Log ind Opret dig - Kurv
Du er ikke logget ind
Beskrivelse
Since this volume was written an epoch making invention has been announced to the radio world. It is the super-regenerative system developed by E. H. Armstrong, the wizard of Columbia University. This system is bound to revolutionize the art of wireless communication in every branch, and is in itself the most important discovery since Marconi put into operation the first crude form of wireless apparatus.
