Morse lamp

noun

a blinker lamp for signaling in Morse code.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for morse lamp

Historical Examples of morse lamp

For instead of using the electric Morse-lamp we used a small paraffin lamp, making the dots and dashes by holding a hand in front.
Gun running for Casement in the Easter rebellion, 1916
Karl Spindler