8.05.344

Print, Photographic

1948

E. F. Johnson Company Product. 4 1/2" x 6 1/2" black and white photograph of a Broadcast Antenna Coupling Unit, circa 1948; manufactured by the E. F. Johnson Co.

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.