Of current interest: Navigational crystal ball helps mariners avoid collisions at sea
Volume :
71
Issue :
4
fYear :
1952
fDate :
4/1/1952 12:00:00 AM
Firstpage :
391
Lastpage :
392
Abstract :
A navigating crystal ball now makes it possible for a mariner to interpret more accurately the movements of nearby vessels and lets him know in advance whether his ship is headed for clear sailing or disaster.
