Production Run 1939 - 1979
Nameplate      D-7
Serial Number  27182Ø
Manufactured   1973
Base size      3.5" X 6.375"
     finish    Gray
Damper         I
Ckt Closer     No
Aquired        December 2ØØØ
Sold           October 2ØØ2
  to           K8HWW