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Description
Signal R-68 practice telegraph key mounted on block of wood. International Morse Code key on manufacturer's brass plate affixed to mount. Connection diagram on bottom of mount. See 1941 Signal catalog attached to record, advertising "Designed for those who want a well made instrument to learn the code. Set consists of a key and high frequency buzzer mounted on a mahogany finished wood base equipped with binding posts. The code is printed on a plate and fastened to the base between the key and, buzzer. The adjustable buzzer is type R-60 having a resistance of 2 ohms."
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