On 8/10/20 2:44 PM, Al Kossow via cctalk wrote: > On 8/10/20 12:40 PM, Chuck Guzis via cctalk wrote: >> On 8/10/20 12:17 PM, Christian Kennedy via cctalk wrote: >>> >>> >>> On 8/7/20 4:34 PM, Warner Losh via cctalk wrote: >>> >>>> The OCO looks nice. Timing gear maybe? >>> > > There was a discussion of this on the cctalk discord > It was made for the USGS to study the earth's magnetic field
Anyone remember the Popular Electronics "Carl and Jerry" episode that involved a baby bottle full of water with a coil wrapped around it? "The Educated Nursing Bottle" April, 1964, PDF page 82 here; https://hobbydocbox.com/Radio/69634003-Popular-1964-electronics-35-cents-talkie-cb-talkie-it-p-65-cuit-power-noise-lip-steal-your-cb-ers-in-tornado.html An interesting article about using a 7090 to determine the cause of WWI also. --Chuck
