Vectores de 20th century

Pump in a wooden tank

Stump puller in a field

Wooden washing machine

Chick brooder

Cast iron pitcher pump

Brass cylinder pump

Field harvesting machine

Barrel pump with a hose

Barrel spray pump

Geared hand crank machine

Flywheel grinding mill

Pail sprayer pump

Hand lift pump

Bench grinding mill

Wheeled sprayer cart

Barrel hand pump

Bench vise with anvil

Crank ice cream freezer

Rope through a block 01

Pole pruner head

Toothed blade with ring eye

Dial weighing hook

Crossed dividers

Triangular gauge square

Pair of dividers

Hinged clamp

Train of spur gears

Rock crusher

Sectioned differential gear

Scroll cam on a shaft

Bed planing machine

Chain hoist

Hand printing press

Weight testing machine

Sectioned injector nozzle

Workman at a saw bench

Hand hair clippers

Stacked angled plates

Mechanical leg

Platen printing press

Wheel hub and brake

Spoked wheel and pinion

Geared drum machine

Circular machine case

Screw jointed pliers

Beam caliper

Screw shaft with knurled nut

Geared hand drill in section

Coarse toothed wheel

Ornate scissors

Aneroid barometer dial

Cup anemometer

Gas meter dial face

Brass hose nozzle

Grape thinning scissors

Row of lawn mowers

Dial kitchen scale

Eyelet pliers

Grass shears

Treadle grindstone