Which preposition to use with semaphoring
A hundred times a day was the semaphore on the hill spied at for the signal of the Noa-Noa's sighting.
I marked it as I passed Waving svelte arms beneath the kindly sun As if it semaphored to its own shade That answered from the grass.
" Two hundred yards distant Charlie Benton rose on a stump and semaphored with his arms.
The semaphore as a means of communication was extensively used on land commercially as well as by the army.
This was, of course, a semaphore by means of which visual signals were made.
There was no possibility of making a mistake, because you could see the semaphore from anywhere, and you would know when you got to the town because the road stopped there.