tag:blogger.com,1999:blog-8234406140077819810.post5037310840506987309..comments2024-03-25T13:20:22.146-04:00Comments on Retrotechnologist: GENERAL RADIO KNOB AND INDEXRoberta Xhttp://www.blogger.com/profile/09956807794520627885noreply@blogger.comBlogger3125tag:blogger.com,1999:blog-8234406140077819810.post-67661099443881065942013-08-24T13:43:33.101-04:002013-08-24T13:43:33.101-04:00Pretty neat. It looks new.
I had a few of these a...Pretty neat. It looks new.<br /><br />I had a few of these and a few verniers from helping to clean out an SK's shack. I didn't have a use for them at the time, so I sold them on eBay.<br /><br />Still kicking myself over that.....drjimhttps://www.blogger.com/profile/05647484115197408897noreply@blogger.comtag:blogger.com,1999:blog-8234406140077819810.post-57464906280115585562013-08-24T12:15:19.156-04:002013-08-24T12:15:19.156-04:00"Just" a knob -- in size and appearance,..."Just" a knob -- in size and appearance, it's a near match for the Crowe reduction drive unit I bought at the Indy hamfest. GR made a little pinch-disc edge drive for these knobs, which gave a ~5:1 reduction. (National did the same for the similar-looking type O knob with calibrated skirt. Theirs was the "O dial drive," part number ODD!) Roberta Xhttps://www.blogger.com/profile/09956807794520627885noreply@blogger.comtag:blogger.com,1999:blog-8234406140077819810.post-70390959964735057962013-08-24T01:04:24.659-04:002013-08-24T01:04:24.659-04:00Is this a vernier drive one, or "just" a...Is this a vernier drive one, or "just" a knob that fits on a shaft?drjimhttps://www.blogger.com/profile/05647484115197408897noreply@blogger.com