Images
Powered by

Denge sound mirrors

(PID:25711323221) Source
posted by Larigan alias larigan. on Tuesday 15th of March 2016 10:06:21 AM

Lying in an inaccessible gravel pit are three well preserved examples of obsolete technology from the 1920s. They are acoustic mirrors designed to pick up the sound of approaching aircraft before they were visible. They were never taken into use because of the development of radar prior to World War 2. here are the 20 foot and 30 foot sound mirrors.



Technology Examples,
Technology Examples In Business,
Technology Examples At Home,
Technology Examples In The Classroom,
Technology Examples In Science,
Technology Examples In Software,
Technology Examples Economics,
Technology Examples In Art,
Technology Examples In History,



License and Use

This Technology Examples - denge-sound-mirrors on net.photos image has 1024x768 pixels (original) and is uploaded to . The image size is 245261 byte. If you have a problem about intellectual property, child pornography or immature images with any of these pictures, please send report email to a webmaster at , to remove it from web.

Any questions about us or this searchengine simply use our contact form

  • Published 01.24.22
  • Resolution 1024x768
  • Image type jpg
  • File Size 245261 byte.

Related Photos

Comments


Comments
comments powered by Disqus