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Keywords from Image Description:
Fusee Machine Leonardo Da Vinci. Drawing of machine incorporating fusee by Leonardo da Vinci circa This is one of the earliest drawings of fusee can't tell what the machine is or which of Leonardo's notebooks it comes from Does anybody know google id PoAJbWmnEUC pg PA sig FjmBugiKJHHkUnIuzHJc Derry Williams Short History of Technology