Vibroplex VIBRO KEYER



Production Run 196Ø -
Nameplate      D-6 (faces right)
Serial Number  219697
Manufactured   1961
Base size      3.5 X 5 inches
     finish    Hallicrafters Gray to
               match the 'HA-1 T.O. Keyer'
Stamped        VIBRO KEYER
               on the bottom
Aquired        March 2ØØ1

HA-1 T.O. Keyer



Serial Number  5Ø1ØØØØ35211
Manufactured   1961
Aquired        March 2ØØ1