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Title: Aircraft Detection Before The Invention Of Radar Post by: Paul Voebel on March 22, 2011, 01:35:34 AM (http://800020.xyz/files/funzug/imgs/informative/aircraft_detection_b4radar_01.jpg)
Aircraft Detection Before Radar... I bet none of you ever saw this stuff before. How air attacks were detected before radar... Old time acoustic hearing aids Title: Re: Aircraft Detection Before The Invention Of Radar Post by: Paul Voebel on March 22, 2011, 01:44:52 AM (http://800020.xyz/files/funzug/imgs/informative/aircraft_detection_b4radar_02.jpg)
Title: Re: Aircraft Detection Before The Invention Of Radar Post by: Paul Voebel on March 22, 2011, 01:50:46 AM (http://800020.xyz/files/funzug/imgs/informative/aircraft_detection_b4radar_03.jpg)
ACOUSTIC "EARS" BEFORE RADAR - ON A SWIVEL Title: Re: Aircraft Detection Before The Invention Of Radar Post by: Paul Voebel on March 22, 2011, 01:52:02 AM (http://800020.xyz/files/funzug/imgs/informative/aircraft_detection_b4radar_04.jpg)
Title: Re: Aircraft Detection Before The Invention Of Radar Post by: Paul Voebel on March 22, 2011, 01:53:13 AM (http://800020.xyz/files/funzug/imgs/informative/aircraft_detection_b4radar_05.jpg)
Title: Re: Aircraft Detection Before The Invention Of Radar Post by: Paul Voebel on March 22, 2011, 01:54:41 AM (http://800020.xyz/files/funzug/imgs/informative/aircraft_detection_b4radar_06.jpg)
Go to The NEXT Page for More Pictures >>> Title: Re: Aircraft Detection Before The Invention Of Radar Post by: Paul Voebel on March 22, 2011, 01:55:39 AM (http://800020.xyz/files/funzug/imgs/informative/aircraft_detection_b4radar_07.jpg)
Title: Re: Aircraft Detection Before The Invention Of Radar Post by: Paul Voebel on March 22, 2011, 01:56:08 AM (http://800020.xyz/files/funzug/imgs/informative/aircraft_detection_b4radar_08.jpg)
Title: Re: Aircraft Detection Before The Invention Of Radar Post by: Paul Voebel on March 22, 2011, 01:57:27 AM (http://800020.xyz/files/funzug/imgs/informative/aircraft_detection_b4radar_09.jpg)
ACOUSTIC "EARS" BEFORE RADAR - GERMAN Title: Re: Aircraft Detection Before The Invention Of Radar Post by: Paul Voebel on March 22, 2011, 01:58:26 AM (http://800020.xyz/files/funzug/imgs/informative/aircraft_detection_b4radar_10.jpg)
Title: Re: Aircraft Detection Before The Invention Of Radar Post by: Paul Voebel on March 22, 2011, 01:59:52 AM (http://800020.xyz/files/funzug/imgs/informative/aircraft_detection_b4radar_11.jpg)
ACOUSTIC "EARS" BEFORE RADAR - ON WHEELS Title: Re: Aircraft Detection Before The Invention Of Radar Post by: Paul Voebel on March 22, 2011, 02:01:24 AM (http://800020.xyz/files/funzug/imgs/informative/aircraft_detection_b4radar_12.jpg)
Go to The NEXT Page for More Pictures >>> Title: Re: Aircraft Detection Before The Invention Of Radar Post by: Paul Voebel on March 22, 2011, 02:02:39 AM (http://800020.xyz/files/funzug/imgs/informative/aircraft_detection_b4radar_13.jpg)
Title: Re: Aircraft Detection Before The Invention Of Radar Post by: Paul Voebel on March 22, 2011, 02:04:50 AM (http://800020.xyz/files/funzug/imgs/informative/aircraft_detection_b4radar_14.jpg)
ACOUSTIC "EARS" BEFORE RADAR - ENGLAND Title: Re: Aircraft Detection Before The Invention Of Radar Post by: Paul Voebel on March 22, 2011, 02:05:29 AM (http://800020.xyz/files/funzug/imgs/informative/aircraft_detection_b4radar_15.jpg)
Title: Re: Aircraft Detection Before The Invention Of Radar Post by: Paul Voebel on March 22, 2011, 02:05:57 AM (http://800020.xyz/files/funzug/imgs/informative/aircraft_detection_b4radar_16.jpg)
Title: Re: Aircraft Detection Before The Invention Of Radar Post by: Paul Voebel on March 22, 2011, 02:06:31 AM (http://800020.xyz/files/funzug/imgs/informative/aircraft_detection_b4radar_17.jpg)
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