5 1/2" X 4" (139mm X 101mm)
(skirt ink stamp) "JD in a circle" {Jeffery Dewitt}
Picture courtesy Fred Collier |
U-681A: USA
5 1/2" X 4" (139mm X 101mm)
(skirt ink stamp) "JD in a circle" {Jeffery Dewitt}
Picture courtesy Fred Collier |
U number assignment by Jack Tod
Return to the National Insulator US Unipart page