This may also work: https://www.ebay.com/itm/Vintage-Variable-Air-Capacitor-1460-R-C273-6133/292646092311?hash=item442310fe17%3Ag%3AvIoAAOSw2khbT7ow%3Asc%3AUSPSFirstClass%2126710%21US%21-1&_pgn=5&_sacat=0&_nkw=variable+capacitor&_from=R40&rt=nc&LH_TitleDesc=0%7C0 Miller Data sheet link: http://pdf.datasheetcatalog.com/datasheets/2300/373783_DS.pdf 73 Bob, W8RLC