About this objectTo reach the top of the wall of an enemy fortress, Leonardo designed this scaling ladder in a form similar to that employed today in fire-fighting apparatus. It is elevated and lowered by means of the crank and the large tooth gear.
MakerLeonardo Da Vinci
Medium and Materialswood, brass, steel
Measurements50.5 x 150.0 x 39.0 cms (lowered);
130.0 x 100.0 x 39.0 (fully extended)
Object TypeScientific model