Cool vintage sign find

Checkout this little cardboard sign I found at a flea market today. I think this was a safety message put out by the electric company. I love the graphics and duel meaning.

What is this brass.....

Whats is this brass item? I recently bought this along with some other items at a auction what is it? I believe it is part of a light, possibly even part of a headlight. This is 10 inches tall. This has two handle which open the door. Notice how it is curved and also notice how it looks like it slides onto another part.

UPDATE!!! UPDATE!!!! UPDATE!!!!!! UPDATE!!!!!!!!

Someone has shown me a picture of something very very similar besides that the one they showed me is not curved. This was definitely an oil lamp, the burner fit up thru the big hole on the one end and a reservoir was under it. I am still not sure what this lamp was used for or on but it is without a doubt an oil lamp of some sort. Thanks to everyone who has helped me try and figure out what this was and please if you do see one that is curved like this let me know what it was used for. 
  

Vintage Stanley woodworking plane part diagram "anatomy of a plane" tool guide

1. Brass tote handle screw. This is a two piece screw the top is brass the rest is metal.
2. Tote handle. This is the back handle of the plane.
3. Short tote handle screw.
4. Plane base this is also sometimes called the body, carriage or deck.
5. Frog screw
6.The frog this is show with the knob connected.
7.This slotted screw holds the iron cap and blade together.
8.Blade.
9. Iron cap
10. Lever cap
11. two hold down screws for frog.
12.Two piece brass and metal screw for front knob.
12.Front Knob.
These are the basic parts of a woodworking plane.