E. F. Johnson Company Audio Tape. 1971 Radio Club Banquet. 1/4" on 7" reel to reel audio tape, 3M brand, of E. F. Johnson speaking at the Radio Club of America banquet, location unknown; on December 3, 1971.
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.
