4 ms·
Funnily enough, coming from a telecommunications background, a semaphore will always make me think about Claude Chappe and his optical telegraph [1]. [1] https
by fffrantz 4y ago
Funnily enough, coming from a telecommunications background, a semaphore will always make me think about Claude Chappe and his optical telegraph [1].
[1] https://en.wikipedia.org/wiki/Optical_telegraph https://en.wikipedia.org/wiki/Optical_telegraph