Black light: the 'cat's eye' effect of the German infra-red telescopes and searchlights in darkness. How to see in the dark -- a German military 'secret' paralleled by Allied inventions. The apparatus, how it was operated in the field, and a possible peacetime use.
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Creative#:
TOP23847721
Source:
達志影像
Authorization Type:
RM
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須由TPG 完整授權
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No
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