The Admiralty list of wireless signals - including details of direction finding, fog signals, weather bulletins, storm and navigational warnings, time signal stations, &c. : 1923 : (corrected to 31st December, 1922)

Författare
(Hydrographic Department, Admiralty.)
Språk
Engelska
Förlag År Ort Om boken ISBN
His Majesty's Stationary Office 1923 Storbritannien, London xv, 399 sidor. tab.