Description of new wireless direction finder type D.F.M.-4, developed by Research Department of Marconi Co., for use primarily on all classes of naval ships; equipment includes frame aerial, radio-goniometer; tuner and amplifier.
A new direction finder for naval vessels
Jl. Sci. Instruments
Journal of Scientific Instruments ; 6 , n 6 ; p 201-202
1929
2 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
Portable submarine direction finder and sounder devised for small vessels
Engineering Index Backfile | 1923
Engineering Index Backfile | 1928
Engineering Index Backfile | 1938
Engineering Index Backfile | 1938
Engineering Index Backfile | 1938