Mike Reed's tumblings

A repository of frequently unrelated things.
Wed Apr 29
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)

Like Glen Baxter Does The War.

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)

Like Glen Baxter Does The War.