Dan - I own a pre-war Technika 13 x 18cm that has been dated to 1936 (see my reply to this post, dated August 3, 2013). The camera back looks the same as yours. Quite a few years ago (1983?), I decided that I would like to be able to use the camera, so I fabricated an adapter for an old 4x5 Speed Graphic back (a Graflok back would have been better), including ground glass screen and folding hood. The camera and back are shown above. I used the camera with the adapter to make a number of good photographs, but, after proving that the concept worked, gave it up for more modern equipment. The camera now sits in prominent display on a shelf in my TV room. Fabricating the adapter was fairly straight forward, as the main component consists of a flat plate that slides into the grooves on the Linhof back. When I did the work, I was in engineering grad school, and had access to the department's machine shop. I recall using a milling machine to get the dimensions of the plate just right. If it were me, and considering that your camera does not have movements, I would not bother with trying to use the camera, but would look for a nice used 4x5 view or field camera on eBay or elsewhere. Prices for 4x5's have become quite low (excluding, of course, Linhof Technika's!).