Vectores de traced

Sickle and wheatsheaf

Toothed blade with ring eye

Dial weighing hook

Crossed dividers

Triangular gauge square

Pair of dividers

Equatorial telescope

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

Workman at a bench

Wheel making bench machine

Carriage builder's bench machine

Wood planing machine

Belt driven grinding mill

Square headed wood screw

Refracting telescope 01

Refracting telescope 02

Mounted telescope

Burning mirror on a stand

Paste brush

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

Post hole digger

Sundial face

Pruning shears 02

Long handled lopper

Grinding wheel with a blade

Pruning shear blade

Hedge shears