5 1/8" - 3 1/2" X 5 1/2" (130mm - 89mm X 140mm)

(crown) L'ELECTRO VERRE

   (skirt) A4                                  

Picture courtesy Don Mecklenborg

5 3/8" - 3 1/2" X 5 1/2" (136mm - 89mm X 140mm)

(top skirt front) ISOREX       

   (top skirt rear) 318                   

(bottom skirt front) ISOREX

  bottom skirt rear) 318             

Picture courtesy Bob Berry

5 3/8" - 3 3/4" X 5 5/8" (136mm - 94mm X 144mm)

(right ear top)        

  (left ear top) 2080            

Picture courtesy Bob Berry