Pippin’s relentless investigation of the medium of photography is quite brilliant. There’s the camera that photographs its own death of course but the artist also spent years turning mundane objects (a refrigerator, bath tub, wardrobe, etc.) into pinhole cameras. He even spent a 55 minute train journey transforming the train lavatory into a photographic studio. Even more amusingly, he converted a row of 12 front-loading washing machines in a laundromat into as many cameras