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: horizontal submerged waterwheel; horizontal crankshaft; lift pump; spur gear and lantern; lantern and crown gear; horizontal working beam; crank and connecting rod.

Mechanics: hand crank; swinging-vane rotary pump; spur gear and lantern; worm and worm gear; lantern and crown gear; flywheel; slotted-head screw.

Mechanics: undershot waterwheel; lift pump; grooved eccentric cam; horizontal working beam; roller guides.

Bridge sections composed of trapezoidal prisms are transported rolled up. Unrolled, the sections are connected together with hinges, and the bridge floats on the water.

Mechanics: winch; ratchet; projectile throwing…

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: hand crank; lantern and crown gear; chain drive; flywheel.

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

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.

Mechanics: undershot waterwheel; noria; Archimedean screw; angle crown gears; lantern and crown gear.

Mechanics: overshot waterwheel; sliding-vane rotary pump.

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

Mechanics: inclined treadwheel; lantern and crown gear.

Machine sits on four casters.

Mechanics: capstan bars; hand crank; worm and worm gear; lewis.

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: 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: undershot waterwheel; noria; spur gear and lantern.

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

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

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

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…