Elenco Multiple Sling - Manual (Page 18)

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DV003
DV005
DV006
DV007
Swing Bridge
This arched bridge built on a river turns on
a central pivot to let boats pass.
It is counterbalanced by a case of stones and
turns by winches set on the river bank.
Printing Press
Leonardo da Vinci studied the Guttenberg
printing press and finely-tuned it for greater
efficiency. In his design, he used a hand press
with an automatic system that moved
the type-saddle forward and back along
a tilted surface, making printing faster and easier.
Multi-barreled Canon
The 10-barreled gun carriage was developed to give
the traditional canon additional firepower and was
a potentially effective weapon against a line
of advancing troops.
Armored Car
A precursor to the modern-day tank,
the armored car was capable of multi-directional
movement and was equipped with
cannons arranged in a 360-degree
firing range around its circumference.