This table of nameplate information is from Appendix D of “The Vibroplex Collector’s Guide.”, available on a CD in PDF format for $15.00 from Artifax Books. The Vibroplex Collector’s Guide was compiled and published by Tom French, W1IMQ, and is a must-have for anyone interested in Vibroplex bugs. Abbreviations: O.P. = others pending O.P.P = … Continue reading Nameplates