Finally got a chance to do some shooting, testing a camera from 1952. The shutter sounded OK, but the timing of the curtains is off. Had to crop most of the images, hence the different formats. The lens is from 1957, it has been converted from LTM (M39) to M42. It's a hack job, but it works.
Contax D / KMZ Jupiter-11 4.0/135 / Adox CHS 100 II in Jobo Alpha developer