8.05.365

Print, Photographic

1976

E.F. Johnson Company Product. 9 1/2" x 7 1/2" black and white photograph of the E. F. Johnson Co. radio product: UltraCom 507 and 508, 320412; a close-up of the interior circuitry.

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