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Re: CIRCULAR No. 74. missing pages



Original poster: Ed Phillips <evp@xxxxxxxxxxx>


Tesla list wrote:
Zoran:
The problem is that to get a readable scan the circular would have to be unbound (if there is such a word) in order to get them flat in the scanner. Secondly, the original edition is 1924 with a reprint in 1937. The reprint has "certain type corrections and omissions". I have no idea if the page numbering is the same. I mention this because if you find a copy, your only recourse may be to retype the pages. Libraries are a bit fussy about cutting books apart....even paper backs like this. Good luck
Ray"

Essentially correct except the original printing was in 1918, during WW1. It was a compendium by a young man named George Southworth, on his first job out of school. He later went on to spend many years in the radio business and did a great deal of early work on waveguides (including some submerged in a swimming pool to effectively make them larger) and microwave horns. I wouldn't be surprised if he built TC's as a kid, but he doesn't mention that in his book "50 YEARS OF RADIO ENGINEERING".

Ed