Untitled-2 , originally uploaded by Pig Sty Avenue . The flash that goes with the KBR will only work with a Kodak - I think they got into standard PC fittings some time later in the 60s. One of its big advantages is that it takes two ordinary C batteries, which you can buy at any supermarket or garage. On the downside, it takes No. 5 GE bulbs, which are less available than some others. I've got only two bulbs, but I decided to put a roll of Efke in, and give one of them a go during a break from another morning slaving over a hot laptop... Bingo! The usual flash-test photo, in a mirror, left me with bright green retina shadow, the shape of the reflector: one hell of a flash. I've got some craic from the Flickr Flashbulbs group, here . The upshot of the advice being, best to use a tripod and a quick B setting, (B = "Bulb", see?) So, knowing that it works, I went in search of more bulbs, and found someone in the States selling a Kodak flashgun, with a...