Oh My Goodness! Before Radar–Acoustic Ears!
June 30, 2011 2 Comments
While the following pictures are certainly chuckleworthy as we look at them now, before the invention of radar the only way to know if planes were coming was to listen for them. And what better way to listen for them than with the most sensitive receivers available at the time, plus a few pair of human ears to interpret the sounds being heard?
If the people in these pictures are still around, they’re probably having a laugh at themselves with this crazy-looking apparatus:















