Books by United States. Dept. of Commerce and Labor. Bureau of Navigation
German and Austrian vessels in the ports of the United States
Rules to prevent collisions of
Rules to prevent collisions of vessels
Important events in radiotelegraphy
Measurement of vessels
Radio communication laws of th
Radio communication laws of the United States and the International radiotelegraphic convention
Regulations for radio apparatu
Regulations for radio apparatus and operators on steamers
Regulations governing radio communication
Japanese subsidies ..
Japanese subsidies ..