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When a machine breaks, it changes its mind.   aphorism no 80.   W. Ross Ashby (1903-1972)

George Jepson, Cams and the Principles of their Construction (Van Nostrand, 1905)

still at work on this.

relationship of machinery to repetition, system, ornament. to "revolution" — turn of cam, wheels, shafts etc., but also the sabot (wooden shoe) in the works, hence, breaking machine, breaking a social order.