1.88.172

Insulator, Transposition

1928

E. F. Johnson Company Product. Transposition Insulator. Material: ceramic. Size: 1 1/2" W. x 2 1/2" L. x 5/8" D. Description: white porcelain - type 136-31 transposition insulator. See "Comments". Product on display board.

E.F. Johnson Co. Collection. Reference: Catalog # 971, page 8 ( 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.