Uhandisi
Mipango 222 inapatikana
Miradi (222)

Pound Lock
na Emma
Mashine

Chip Log
na Emma
Mashine

Gunter's Chain
na Mark
Mashine

Geneva Drive
na Martin
Mashine

Planimeter
na Mark
Mashine

Self-Righting Lifeboat
na Emma
Industry 1.0 — Steam & Mechanization (1760)

Pendulum Clock
na Martin
Fizikia

Ferris Wheel
na Emma
Industry 2.0 — Electricity, Steel & Oil (1870)

Francis Turbine
na Emma
Industry 2.0 — Electricity, Steel & Oil (1870)

Owens Bottle Machine
na Emma
Industry 2.0 — Electricity, Steel & Oil (1870)

Cyclone Separator
na Emma
Industry 2.0 — Electricity, Steel & Oil (1870)

Fourdrinier Paper Machine
na Emma
Industry 1.0 — Steam & Mechanization (1760)

Venturi Meter
na Penny
Industry 2.0 — Electricity, Steel & Oil (1870)

Arch Centring and Falsework
na Emma
Uundaji wa Mbao

Blind Rivet
na Emma
Mitambo

Metal Electrode Arc Welding
na Forge
Uchimbaji chuma

Centerless Grinding
na Emma
Utengenezaji wa Kupunguza

Building Leonardo da Vinci's Armored Car — The Ancestor of the Tank
na Emma
Renaissance (1400–1600)

Building Leonardo da Vinci's Ornithopter — The Flapping-Wing Flying Machine
na Emma
Renaissance (1400–1600)

Building Leonardo da Vinci's Revolving Bridge — The Swing Bridge for a Marching Army
na Emma
Renaissance (1400–1600)

Building Leonardo da Vinci's Self-Propelled Cart — The First Programmable Robot
na Emma
Renaissance (1400–1600)

Building Leonardo da Vinci's Aerial Screw — The Ancestor of the Helicopter
na Emma
Renaissance (1400–1600)

Building Leonardo da Vinci's Parachute — The Sealed Linen Pyramid of 1485
na Emma
Renaissance (1400–1600)

Casting Reinforced Concrete — Marrying Steel and Stone into the Modern Structure
na Balin
Kisasa