Does anybody need new old stock Signal Corps 12-volt Vibrators? These have 8 pins like an octal, but one extra pin that correctly locates the vibrator in it's socket. Here's what they say: SIGNAL CORPS U.S. ARMY VIBRATOR VB-13-A. 3H6713 12 VOLT TYPE G681 P. R. MALLORY & CO., INC. $5 each plus postage Steve Hilsz jydsk at tds.net