1.88.76

Capacitor

1937

E. F. Johnson Company Product. Variable Condenser. Material: metal, stone. Size: 2" W. x 4 3/4" L. Description: aluminum, steatite - Type F variable condenser. Museum label black lettering on silver: "Type F - 1937" - stamped on metal frame: "7E6." Penciled on steatite frame: "170F 30." 17 plates.

E.F. Johnson collection. Catalog reference: Catalog 301, page 12 (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.