1849 ⟶ James B. Francis Invents the Francis Turbine
James B. Francis invents the Francis turbine.Year
1848
1849
1867
1878
1902
🔒 Linus Yale Sr. Designs the Pin Tumbler Lock
Linus Yale Sr. invents the first modern pin tumbler lock.⟶

SecurityIndustrial RevolutionMechanical Engineering

⚙️ James B. Francis Invents the Francis Turbine
📌 Walter Hunt Patents the Safety Pin
🪢 Lucien B. Smith Invents Barbed Wire
Lucien B. Smith invents barbed wire, which Joseph F. Glidden will modify in 1874, leading to the taming of the West and the end of the cowboys.⟶

American WestAgricultureIndustrial RevolutionFrontier

⚙️ Lester Pelton Invents the Pelton Wheel
Lester Allan Pelton invents the Pelton wheel.⟶

InventionsHydropowerIndustrial RevolutionEnergyMechanics

❄️ Willis Carrier Patents Modern Air Conditioning
July 17: Willis Carrier invents the first modern electrical air conditioning unit.⟶

Industrial Revolution
