A device that used a pulsating polarized ether wave to judge the distance to an object (a RADAR) (Read the full article)

"RALPH was originally published in 1911 in Electrical Experimenter. Amazing Stories did not start publishing till 1926, and later reprinted RALPH. I believe Gernsback also included a diagram of exactly how radar would work in his novel. I think there is a very strong case that Gernsback should be credited with the invention of radar though he was never credited for it. bob weinberg"
(Bob Weinberg 7/21/2004 8:23:43 AM )
"Bob - Thanks for the correction; I'll add it to the database. I'm still influenced by various sources that insist that Hertz himself successfully demonstrated radar before the turn of the century."
(Bill Christensen 7/21/2004 2:02:54 PM )
"I find it horrific that you made no mention of Nikola Tesla when talking about radar. I suppose you think Marconi invented the radio also. Give credit where credit is due. And if your going to report on anything to do with such matters as electricity and electromagnetic wave forms, frequency controls or talking to mars for that matter, you better brush up on your Tesla. "
(Salim Lutfallah 11/30/2005 5:24:48 AM )
"The first radar was built by a German named Christian Hulsmeyer. The French were first to detect an aircraft in 1934, followed by the Russian a month later and finally the British in 1935. "
(H. 6/27/2006 2:06:25 AM )
"Thank for this information. I was very impressed by invention of Hugo Gernsback first time 20 years ago, when I have read "Glidepath" by Arthur Clark. That was really interesting book about engineers who created first electronic aircraft landing system during 1940s in England. Clark mentioned radar of Gernsback shortly there. "
(Igor 9/27/2009 8:00:34 AM )

More info on Actinoscope

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