Does anyone recognize this article?

Argon would be better than Nitrogen when filling scopes - it is a much larger atom and is NOBLE - and is readily available in most TIG shops. Nitrogen can attack some metals.
The idea of large atom - a larger flaw can still keep in the gas.
Martin Martin Eastburn @ home at Lions' Lair with our computer lionslair at consolidated dot net NRA LOH, NRA Life NRA Second Amendment Task Force Charter Founder
Joseph Gw> >
Reply to
Martin H. Eastburn
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Just to let everyone know, I believe it to be Popular Mechanics, January, 1949. I went to the university library and checked indexes and found an article pretty quickly titled "How to Make Riflescopes".
Unfortunately, some jerk had cut the article out of the magazine, so I have it coming by interlibrary loan.
Thanks again!
Reply to
James B. Millard
Is the copyright still effective? If not, maybe you could scan it and put the scans in the dropbox.
Reply to
David R. Birch
David, I'm not sure. The article appeared between 1950 and 1963. Assuming the first copyright was filed during that time, the copyright holder had to renew his copyright in the late 70's to early 80's.
I think it falls under fair use, but not being totally sure, I didn't want to post it to the drop box (it's also a pretty poor scan - I couldn't get the book flat enough on the scanner).
In any case I posted it under one of my unused domains Look for a article subject name " Riflescope article", posted ~thursaday 10/20 .
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