Ubunjiniyela
Ama-Blueprint angu-221 ayatholakala
Ama-Blueprint (221)

Chip Log
ngu-Emma
Imishini

Gunter's Chain
ngu-Mark
Imishini

Geneva Drive
ngu-Martin
Imishini

Planimeter
ngu-Mark
Imishini

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

Pendulum Clock
ngu-Martin
I-Physics

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

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

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

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

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

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

Arch Centring and Falsework
ngu-Emma
Ukwakhiwa Ngokhuni

Blind Rivet
ngu-Emma
Ezomshini

Metal Electrode Arc Welding
ngu-Forge
Umsebenzi Wensimbi

Centerless Grinding
ngu-Emma
Ukukhiqiza Ngokususa

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

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

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

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

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

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

Casting Reinforced Concrete — Marrying Steel and Stone into the Modern Structure
ngu-Balin
Kwesimanje

Building a Safety Bicycle — Chain Drive, Equal Wheels, and Personal Freedom
ngu-Palpatine
Kwesimanje