Accordion folded bridge sections can be quickly and unexpectedly rolled out and brought up to the wall.
Mechanics: capstan bars; hand crank; worm and worm gear; lantern and rack; roller guides.
Ramelli, Agostino. “Plate 143: Bridge for Crossing a City or Fortress Moat.” In Le Diverse Et Artificiose Machine Del Capitano Agostino Ramelli. Paris, France, 1588. https://digital.sciencehistory.org/works/c534fp16v.
Export citation (RIS)
This citation is automatically generated and may contain errors.