1.88.96

Inductor

1949

E. F. Johnson Company Product. Inductor. Material: metal, ceramic. Size: 3 1/2" diameter x 6 1/2" L. Description: copper coils over white porcelain cylinder - type 681 Variable Inductor. Tuning coil not present. Museum label black on silver on coil: "681 - 1949." Plug-in. 3 pins protrude from coil body. E.F. Johnson Co. decal on inner curve of shell.

E.F. Johnson Collection. Reference: see catalog 965, page 2, (at 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.