U-2839: England
2 11/16" X 3 1/2" (65mm X 86mm)
(dome top incuse) BENNETT
Picture courtesy Elton Gish |
2 3/4" X 3 5/8" (67mm X 89mm)
No markings
Picture courtesy Bob Berry |
U number assignment from Worldwide Porcelain Insulators 1986 Supplement by Marilyn Albers & Jack Tod.