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Listening for Approaching Aircraft
before the advent of Radar
My friend Joe sent me an email with some amazing
photos of old inventions from long ago. They were created before the radar was
perfected. They were invented to try and give the people on the ground notice
of an advancing aircraft attack.
I present them in this blog today to simply help
everyone remember what has happened in the past… and the ingenious people that
went before us.
These inventions/creations were being used in the
days of the prop airplanes – not the supersonic jet. Can you fathom what would
happen to the ears of someone listening in on a jet coming way over the speed
of sound?!?
My father was of this generation.
In the past few months of watching TV and some of
the Football Games – they still use a similar method to capture sounds at the
side of the field.
Enjoy…
~ Murray Lincoln ~
Photos to enjoy... DOUBLE CLICK to see a larger photo - right click to "Save as"
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