A few generations ago, a craftsman turned his hand to all manner of things. My grandfather was just as much at home repairing clocks and fairground traction engines as he was cleaning windows. I could sense his ghost – and that of my father - looking over my shoulder as I successfully completed a very tricky piece of machining to an accuracy of 1/10th the diameter of a human hair. In turn, I told my son Tristan, you’d better watch carefully, you might never see the likes of this again. Maybe one day, all three of us will be looking over his shoulder.
Incidentally, in today’s picture is one of my grandfather’s micrometers. It’s a hundred years old and still in daily use. Also, my father’s depth gauge - now going on eighty. Both instruments bear their initials.
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