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Double three-legged gravity escapement

John Redfern is an antiquarian horologist, animator and film-maker, with more than 40 years experience as a restorer and 25 years of animation and filming; working with some of the finest and most interesting clocks in the world.

Click below for a short extract from a film created for the Courthouse Tower Clock in Santa Barbara California. It explains the workings of the double three-legged gravity escapement.