Eisco Labs Contact Key, Telegraphing/Morse Code, Double

Description

Double contact Key – This very basic but well made device that is comprised of a plated Two spring arms with press knobs x 2, contact studs x 2 , and plated connecting strips x2. Size (L x W) 5″ x2.5″
Double contact Key
This very basic but well made device.
Two spring arms with press knobs x 2, contact studs x 2 , and plated connecting strips x2
Size (L x W) 5″ x2.5″