There may be times when we come across something in our home, perhaps in a drawer or in a box in the attic
and we have no idea what it is. When we see these things, we sometimes turn to the Internet for the answers we need.
It’s not ju bt a matter of understanding why these items are no longer in use, it’s understanding what they
were used for in the first place. You will appreciate this as much as we did.
Answer 2: If you zoom in, you can see that it’s a photosensor. They have a distinctive look.