E. F. Johnson Company Product. Tube Socket. Material: metal, steatite. Description: brass, aluminum and white steatite - type 211 tube socket. Johnson decal on side of round base. See reference in comment section. Product on display board.
E.F. Johnson Co. Collection. Reference: Catalog # T-5, page 4 (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.
