Vectores de diagram

Sectioned bevel gearbox

Crossed dividers

Ring geared turntable press

Mechanical leg

Rifle lock plate

Wood moulding machine

Belt driven shaping machine

Typewriter

Platen printing press

Sectioned rack jack

Wheel hub and brake

Railway wagon underframe

Hopper fed toothed roller

Upright forging press

Wheeled pile driver

Capped tripod stand

Brake shoes on an axle

Railway brake truck

Heavy steam locomotive

Early locomotive

Express steam locomotive

American steam locomotive

Four way rotary valve

Hydrant in section

Pressure gauge

Twin dial gear head

Cup anemometer

Horizontal steam boiler

Horizontal engine cylinder

Spring buffer in a case

Corrugated bellows cylinder

Sectioned roller bed

Valve in section

Line shaft and pulley drive

Geared drum machine

Screw press with gauge

Lifting jack on a bed

Twin pipe valves and nozzle

Suspended cylinder with chain

Twisted glass burner

Sprung brush scraper

Skull lying on its side

Shaded skull in profile

Pair of dividers

Dog skull in profile

Human skull in profile

Skull seen from the front

Skull with sutures

Shaded skull in profile

Bundle of tubes

Crystal field with a wall

Feathered crystal field

Fan shaped crystal bursts

Crystal field with a fan

Crystal blades in a field

Salt crystal field

Field with round bubbles

Crystal field with dark lumps

Star shaped crystals

Crossed crystal blades