1.88.197
Insulator, Stand-off
1929
E. F. Johnson Company Product. Stand-Off Insulator. Material: ceramic, metal. Size: 2 1/2" W. x 4 1/2" L. Description: white porcelain - upright cone shaped Type 135-60 stand-off insulator - threaded screw end and nut on one end - square base on other end - horizontal ridges from one end to the other. See reference in comment section. 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.