8.05.982
Print, Photographic
E. F. Johnson Company Products. Telegraph Key and other Amateur Radio Equipment. Material: paper. Size: 8" x 10". Description: black and white photograph of E.F. Johnson Company Viking communication products. Reference: Catalog # 984, page 17; high speed standard key with switch; see accession number 1.88.211.
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.