xplanes: reblog day: circuitry: Giant listening horns used to listen for approaching aircraft during WWI. Image on display at the Science Museum of the National Academy of Sciences in Washington DC. (via)

xplanes:

reblog day:

circuitry: Giant listening horns used to listen for approaching aircraft during WWI. Image on display at the Science Museum of the National Academy of Sciences in Washington DC.

(via)

  1. nemoinemoi reblogged this from xplanes
  2. cardboardantlers reblogged this from freezepopforever and added:
    nob: reblog day: Giant listening horns used to listen for approaching aircraft during WWI. Image on display at the...
  3. freezepopforever reblogged this from nob
  4. unsuns reblogged this from msnr
  5. error888 reblogged this from msnr
  6. msnr reblogged this from xplanes
  7. t-s-k-b reblogged this from nob
  8. keizo reblogged this from nob
  9. d-d-d reblogged this from nemoi
  10. shanethacker reblogged this from xplanes
  11. mikereed reblogged this from xplanes and added:
    Like Glen Baxter Does The War.
  12. pharawayfromseaskyandclouds reblogged this from nemoi
  13. eek42 reblogged this from mudwerks
  14. therocketsurgeon reblogged this from mudwerks and added:
    Awesome. It’s kind of like a giant tin can telephone, but you know, for bombers.
  15. mudwerks reblogged this from xplanes
  16. plutoniumgodly reblogged this from xplanes
  17. lucky7death13 reblogged this from nob
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  19. nemoi reblogged this from xplanes
  20. xplanes reblogged this from circuitry and added:
    reblog day: circuitry: Giant listening horns used to listen for approaching aircraft during WWI. Image on display at the...
  21. circuitry posted this
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