If you mean where they are kept, then I am pretty sure it is in the Smithsonian, but like I said, I don't know for sure, but I am pretty sure. If it is wrong I am sorry, but if it is right then YAY! Also, goodluck on your quiz or whatever your doing!
Thomas Edison invented the most widely available version of the light bulb. With the advent of AC/DC electricity cities soon began to have streetlights. This would make for a good crime deterrent.