1.88.170

Insulator, Airplane

1928

E. F. Johnson Company Product. Airplane Insulator. Material: ceramic. Size: 1 1/2" L. Description: white porcelain - Type 32 airplane insulator. See "Comments". Product on display board.

E.F. Johnson Co. Collection. Reference: Catalog # 965, page 4 ( 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.