Elenco Printing Press - Manual (Page 9)

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Years later, Leonardo Da Vinci studied the Guttenberg printing press and modified it
for greater efficiency. In his design, Da Vinci uses an automatic system that moves the
type-saddle forward in time with the pressure movement. The saddle then returns to
its initial position, sliding along a tilted surface with the use of a weight. The forward
movement and descent of the saddle are combined so as to allow the machine to
perform more than one operation in a given time to make the machine more efficient.
Museo Nazionale Della Scienza E Della Tecnologia
Da Vinci’s Contribution to the Design