E. F. Johnson Company Product in the Field. 6 1/2" x 8 1/2" black and white photograph of a member of the Plaisted Polar Expedition in 1968, shown using E. F. Johnson Co. Messenger III in the Arctic; Johnson radio equipment was used to communicate between base camp buildings, and short-range use between base camp and expedition snowmobiles; the unidentified man in this photograph is recording an incoming message from base camp.
