1.88.183a,b

Insulator, Stand-off

1937

E. F. Johnson Company Product. Stand-Off Insulator. Material: ceramic, metal. (a) Insulator. Size: 2 3/4" W. Description: white porcelain - Type 135-66J stand-off insulator. (b) Base. Size: 1 3/4" W. Description: silver colored metal base - design for connection by plug and jack. See "Comments". Product on display board.

E.F. Johnson Co. Collection. Reference: Catalog # 971, page 9 (in E.F. Johnson Co. Museum). Waseca business: E.F. Johnson Co.; E.F. Johnson Company; E.F. Johnson Corporate Headquarters; E.F. Johnson Company Corporate Headquarters; E.F. Johnson Co. Corporate Headquarters; E. F. Johnson Co.; E. F. Johnson Company; E. F. Johnson Corporate Headquarters; E. F. Johnson Company Corporate Headquarters; E. F. Johnson Co. Corporate Headquarters.