90cm Projector anti aircraft - searchlight. beam made by electricity jumping between two carbon rods and magnified by a concave

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90cm Projector anti aircraft - searchlight. beam made by electricity jumping between two carbon rods and magnified by a concave mirror Fort Nelson

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Size: 3318px × 4688px
Photo credit: © Detail Heritage / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -, 90cm, aircraft, anti, anti-aircraft, army, beam, british, carbon, concave, electri, electricity, jumping, magnified, mirror, mobile, projector, rods, searchlight., wwii