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#30
31-01-18, 01:20
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beams
Maybe those sets were useful because the enemy would have little chance of listening in. With such a narrow beam of energy , an enemy receiving station a few degrees out of line would not hear anything ? During WW2 the Germans had a similar light communicating system .
Was the reflector in those ubiquitous wartime Lucas lamps a parabolic dish ?
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1940 cab 11 C8 1940 Morris-Commercial PU 1941 Morris-Commercial CS8 1940 Chev. 15cwt GS Van ( Aust.) 1942-45 Jeep salad 
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