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The magic horse of Heron (1st c. A.D.) – Horse decapitated and drinking

It was an amazing disposition of a horse and a herdsman that showed the neck of the horse being cutted through (with a knife by the presenter of the automaton) and simultaneously this automatically continued drinking water from the cup which he held in his hand. It consisted of a most ingenious rotating wheel that ensured the stability of the horse’s head at the complete cutting off of the neck and a complicated mechanism of toothed rulers and toothed sectors that automatically separated and reconnected the telescopic drinking pipe
of the horse during the severance. With the manually-operated rotation of the herdsman (opposite to that of the horse) the water from the upper container of the base of the automaton emptied into the container below causing the required vacuum in the incorporated drinking pipe of the horse and consequently the continuous drinking from the cup of water.