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3 items
Plate 191: Moveable counterweight trebuchet
- 1588
For launching rocks and fireballs to defend a city or fortress.
Mechanics: hand crank; worm and worm gear; spur gear and recessed face gear; projectile throwing engine.
- Author Ramelli, Agostino, 1531-approximately 1600
- Subject Engines of war, Catapult, Machinery
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3 items
Plate 192: Ballista
- 1588
Uses tension to launch arrows, pyrotechnic projectiles, balls, and rocks to defend a city or fortress.
Mechanics: roller thrust bearing; projectile throwing engine; trigger.
- Author Ramelli, Agostino, 1531-approximately 1600
- Subject Ballista, Machinery, Engines of war
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Plate 193: Ballista
- 1588
Composed of three large crossbows. Uses tension to launch arrows, pyrotechnic projectiles, and balls of rock, lead, and iron to defend a city or fortress.
Mechanics: hand crank; spur gear and lantern.
- Author Ramelli, Agostino, 1531-approximately 1600
- Subject Ballista, Machinery, Engines of war
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Plate 194: Device for setting the aim of artillery
- 1588
A set of two ruled frames is used along with plumb lines and a quadrant to record in daylight the aim of canons to be shot at night. The frames and plumb lines are then used again to aim the canon accurately in the dark…
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3 items
Plate 195: Bridge for crossing a river or moat
- 1588
Bridge composed of a boat, with extensible end sections that can be rolled out if the boat is not as long as the water is wide; additionally, the doubled-over end sections can also be unfolded for extra length.
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Plate 19: Device for raising water from a low place by river or canal current
- 1588
Mechanics: undershot waterwheel; force pump; conical valve; interrupted spur gear and racks; horizontal working beam; roller guides.
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Plate 1: Device for raising water from a river or fountain by river current
- 1588
Mechanics: undershot waterwheel; force pump; conical valve; double interrupted crown gears and lantern gear; double worm and reversing racks; motion converter (rotating to linear); roller guides.
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Plate 20: Single-person-operated device for drawing water from a well
- 1588
The well is decorated with a monstrous female figure who dispenses water from her breasts.
Mechanics: hand crank; force pump; flap valve; interrupted spur gear and racks; flywheel; roller guides.
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Plate 21: Device for raising water from a low place by river or canal current
- 1588
Mechanics: horizontal submerged waterwheel; force pump; conical valve; double interrupted crown gears and lantern gear; worm and worm gear.
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Plate 22: Single-person-operated device for drawing water from a well
- 1588
Mechanics: hand crank; force pump; conical valve; double interrupted crown gears and lantern gear; worm and worm gear; lantern and crown gear; horizontal working beam; flywheel.
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Plate 23: Device for raising water from a low place by river or canal current
- 1588
Mechanics: horizontal submerged waterwheel; force pump; flap valve; double interrupted crown gears and lantern gear; worm and worm gear; lantern and rack.
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Plate 24: Device for raising water from a river or spring by river or canal current
- 1588
Mechanics: undershot waterwheel; force pump; flap valve; double interrupted crown gears and lantern gear; worm and worm gear; lantern and crown gear; motion converter (rotating to linear).
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Plate 25: Device for raising water from a low place by river or canal current
- 1588
Mechanics: horizontal submerged waterwheel; force pump; flap valve; double interrupted crown gears and lantern gear; spur gear and lantern; worm and worm gear; motion converter (rotating to linear).
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Plate 26: Device for raising water from a low place by river or canal current
- 1588
Mechanics: undershot waterwheel; lift pump; double interrupted crown gears and lantern gear; double worm and reversing racks; horizontal working beam; roller guides.
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Plate 27: Device for raising water from a low place by river or canal current
- 1588
Mechanics: undershot waterwheel; lift pump; grooved eccentric cam; horizontal working beam; roller guides.
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Plate 28: Single-person-operated device for drawing water from a well
- 1588
Mechanics: hand crank; lift pump; grooved eccentric cam; horizontal working beam; roller guides.
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Plate 29: Device for raising water from a river, pond, or lake by river or canal current
- 1588
Mechanics: horizontal submerged waterwheel; horizontal crankshaft; lift pump; spur gear and lantern; lantern and crown gear; horizontal working beam; crank and connecting rod.
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Plate 2: Device for drawing water from a well
- 1588
Mechanics: hand crank; force pump; conical valve; double interrupted crown gears and lantern gear; double worm and reversing racks; flywheel; roller guides.
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Plate 30: Single-person-operated device for drawing water from a well
- 1588
Mechanics: hand crank; horizontal crankshaft; lift pump; horizontal working beam; crank and connecting rod; flywheel.
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Plate 31: Device for raising water from a river or canal
- 1588
Mechanics: undershot waterwheel; interrupted lanterns and spur gear sectors; chain equalizer.
- Author Ramelli, Agostino, 1531-approximately 1600
- Subject Water-power, Water-wheels, Machinery
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Plate 32: Single-person-operated device for raising water from a well or cistern
- 1588
Mechanics: hand crank; force pump; flap valve; interrupted lanterns and spur gear sectors; chain equalizer; flywheel.
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Plate 33: Device for raising water from a pond, lake, or marsh by river or canal current
- 1588
Mechanics: undershot waterwheel; double interrupted crown gears and lantern gear; worm and worm gear; horizontal working beam; bell crank.
- Author Ramelli, Agostino, 1531-approximately 1600
- Subject Water-power, Water-wheels, Machinery
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Plate 34: Device for raising water from a low place by river or canal current
- 1588
Mechanics: undershot waterwheel; double interrupted crown gears and lantern gear; lantern and rack; horizontal working beam; bell crank.
- Author Ramelli, Agostino, 1531-approximately 1600
- Subject Water-power, Water-wheels, Machinery
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Plate 35: Device for raising water from a low place by river or canal current
- 1588
Mechanics: horizontal submerged waterwheel; interrupted crown gear and lanterns; chain equalizer; horizontal working beam.
- Author Ramelli, Agostino, 1531-approximately 1600
- Subject Water-power, Water-wheels, Machinery
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Plate 36: Device for raising water from a low place by river current
- 1588
Mechanics: undershot waterwheel; machine crank; force pump; chain equalizer; horizontal working beam.