SL-1 Safe Ice Load Computer and Motor-Driven Coring Tool were developed to enable driver of any vehicle to determine whether or not ice on frozen lake or river would carry his vehicle safely; computer is powered by self-contained dry cell; coring tool is provided with either light weight gasoline engine, or electric motor; equipment is equally suitable for use in helicopter landings and for helicopter-conducted reconnaissance of proposed landing strips and ice roads.
Safe ice load computer
Can Min J
Canadian Mining Journal ; 85 , n 9
1964
6 pages
Aufsatz (Zeitschrift)
Englisch
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Elsevier | 1986