On Mon, 13 Mar 2017 15:01:39 +0000, you wrote: >What minimal equipment would you need to make your own crystals ?
There was a WWII era "how they spend your war bonds" film that showed the process pretty well. Diamond saws to cut the raw quartz, X-ray diffraction to find the proper axes prior to cutting out blanks, assorted polishing/lapping stuff, etching with truly nasty stuff. ISTR that if you put a piece of foil under the plate glass you're grinding on, you can hear a noise peak on a receiver at the approximate frequency. I once raised a cheapo surplus crystal 60Kc plus to put it into the 40-meter CW band; worked fine! IOW, not a trivial thing. -- Gary Woods AKA K2AHC- PGP key on request, or at home.earthlink.net/~garygarlic Zone 5/4 in upstate New York, 1420' elevation. NY WO G --- This email has been checked for viruses by AVG. http://www.avg.com _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
