Translucent green, glass round-bottomed vase with heavy rainbow luster throughout. Base of the vase is round and then attaches to a vertical tube in the center, top of the tube has an ornamental curved design that…

Mechanics: hand crank; bucket; spur gear and lantern; flywheel.

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…

Mechanics: winch; falling weight; spur gear and lantern; lantern and crown gear; ratchet.

Mechanics: horizontal spoked treadwheel; force pump; conical valve; double interrupted crown gears and lantern gear; spur gear and lantern; horizontal working beam.

Mechanics: hand crank; Spur gears; worm and worm gear; lantern and crown gear.

Mechanics: undershot waterwheel; force pump; double interrupted crown gears and lantern gear; lantern and rack; lantern and crown gear; roller guides.

Mechanics: hand crank; horizontal crankshaft; lift pump; horizontal working beam; crank and connecting rod; flywheel.

Can be operated by a single person, easily and with little noise. The device depicted here is also illustrated on Plate 166.

Mechanics: hand crank; worm and worm gear; double toggle linkage.

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.

This device uses a paternoster pump, named for its resemblance to a rosary. Also known as a "rag and chain" pump or a "rubber bucket chain" pump.

Mechanics: hand crank; paternoster chain pump; flywheel.

Mechanics: overshot waterwheel; sliding-vane rotary pump.

Cross-section shows inner system, which is identical to that used for the fountain on Plate 184. Syphon action in the descending, snake-shaped pipes starts the water-flow, and inner system relies on changes in air and…

The water is then pumped back to the source.

Mechanics: overshot waterwheel; horizontal crankshaft; force pump; lantern and crown gear; crank and connecting rod.

The man looking out of the grilled window in the background foreshadows the section on screw-jacks (Plates 154–167).

Mechanics: machine crank; inertia chain; lift pump; flap valve.

Complete structure can be rotated by rudder to catch optimal wind. Sails can be stopped and secured. Contains mechanism to lift grain sacks.

Mechanics: windmill (post mill); lantern and crown gear.

Mechanics: internal vertical treadwheel; chain of buckets; spur gear and lantern; roller shaft bearing.

This device requires a relatively small amount of rope.

Mechanics: hand crank; bucket; flywheel.

Powered by concealed bellows or a person blowing into a pipe feeding into the base of the vase. Cross-section shows inner system, which relies on changes in air and water pressure to force air through hidden flutes to…

Mechanics: undershot waterwheel; swinging-vane rotary pump; spur gear and lantern; worm and worm gear; lantern and crown gear; slotted-head screw.

Mechanics: hand crank; spur gear and lantern; worm and worm gear; lantern and crown gear; flywheel; lewis.

Mechanics: undershot waterwheel; force pump; conical valve; double interrupted crown gears and lantern gear; spur gear and lantern; horizontal working beam.

Mechanics: horizontal spoked treadwheel; conical valve; worm and worm gear; lantern and crown gear; motion converter (rotating to linear).

Millstone can be raised or lowered by a wedge. This mill grinds and sifts flour at same time.

Mechanics: overshot waterwheel; lantern and crown gear.

Millstone can be raised or lowered by wedges.

Mechanics: horse whim; spur gear and lantern; lantern and crown gear.