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The inventor of the potter’s wheel wrought, perhaps, higher than he knew. A easy turntable installed on a central pivot was once became throu!gh an assistant so that the potter had both palms free with which to manipulate the clay. It originated about 3500 BC in Mesopotamia, not a ways from Sumeria where, at about the equal time at Erech, got here that outstanding strengthen in technology, the addition of an axle to a sledge on to which a wheel ought to be fixed, therefore to form a primitive cart or wagon. Both of these principles were, of course, preceded with the aid of the use of a spherical flat stone with a hole in the centre to act as a flywheel when spinning thread for weaving. Doubtless the wagon at Erech used to be an experiment and doubtless the same thought came to others about the equal time: technology has a habit of working like that. But to the anonymous experimenter at Erech must go our thanks, for what would we do without wheels and axles today?
