8.05.342

Print, Photographic

1955

E. F. Johnson Company Product. 3 3/4" x 4 1/4" black and white photograph of an E. F. Johnson Co. radio product, the Rotary Beam Control unit, 1955; shows a metal case with sloping face showing line map of the world with simple compass directions printed on circumference; dials read power, rotation, relay, on and off.

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.