Radio and Safety
1929
SINCE the first use of radio for communication purposes, the radio has been largely applied as an instrument of safety. In the past this has been chiefly in connection with the safety of ships at sea, but recently other applications have become of increasing importance. The importance of a means of communication for ships at sea is apparent. Radio is the only means of communication by which a ship can continually keep in contact with other ships or with stations on shore.
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