An electric eye noted that fact and a light in front of Cade turned on.
But at the receiving station there is what may be called an "electric eye."
The hammer on each bar of the long metal xylophone of the electric eye signal hung motionless.
As she reached the irising door in the bulkhead, an electric eye opened it for her.
So, when I pass before a light in the wall that plays on one electric eye, it causes the door to open.
A mechanism containing an electric eye changes those light impulses back into sound impulses.
Stonecypher moved his permit in ineffectual passes before the electric eye.
I heard father say they were going to have an electric eye, that could see through walls and things.
I suppose it's a sort of familiar spirit that does it, but the electric eye has got something to do with it.