I hate to post another message. And I don't know if this will go through or not. I found a light like what I have; the only different is mine has a round dial that turns it on and adjusts the light; this one is just on or off, but the rest is the same. Maybe if you keep searching ebay you might find one with the dial. Good luck!
http://www.ebay.com/itm/Vtg-Mobilite...item2cbba592bc