THE ADMIRALTY TELEGRAPHS AND SEMAPHORES
The Mariner's Mirror ; 24 , 2 ; 184-203
01.01.1938
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
From semaphores to semiconductors
British Library Online Contents | 1996
Engineering Index Backfile | 1899
Engineering Index Backfile | 1930
From semaphores to semiconductors
Online Contents | 1996
Electric lighting of semaphores
Engineering Index Backfile | 1936
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