PHOTOGRAPHER'S JOURNAL: Spotted in an old barn in Cornwall, I was struck by the momentary confluence. That was the orbit of my eye. All my picture thoughts revolved on that axis, and by the time I set up and took this shot, it was time to leave. In the rush, I have no notes on what the machine on the left does, nor a photograph of the mechanism, but my recollection is that it had something to do with separating seed from chaff.
