1848 ⟶ Linus Yale Sr. Designs the Pin Tumbler Lock

Linus Yale Sr. invents the first modern pin tumbler lock.
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Year
1826
1848
1849
1892
1902

⚙️ Samuel Morey Patents Internal Combustion Engine

American Samuel Morey patents the internal combustion engine.⟶
Samuel Morey Patents Internal Combustion Engine (1826)
Industrial RevolutionPatents
United StatesUnited States

🔒 Linus Yale Sr. Designs the Pin Tumbler Lock

Linus Yale Sr. invents the first modern pin tumbler lock.⟶
Linus Yale Sr. Designs the Pin Tumbler Lock (1848)
SecurityIndustrial RevolutionMechanical Engineering
United StatesUnited States

⚙️ James B. Francis Invents the Francis Turbine

James B. Francis invents the Francis turbine.⟶
James B. Francis Invents the Francis Turbine (1849)
HydropowerIndustrial RevolutionEnergy
United StatesUnited States

📌 Walter Hunt Patents the Safety Pin

Walter Hunt invents the Safety pin.⟶
Walter Hunt Patents the Safety Pin (1849)
PatentIndustrial RevolutionManufacturing
United StatesUnited States

🚜 John Froelich Builds First Gasoline-Powered Tractor

John Froelich develops and constructs the first gasoline/petrol-powered tractor.⟶
John Froelich Builds First Gasoline-Powered Tractor (1892)
AgricultureMechanical EngineeringIndustrial Revolution
United StatesUnited States

❄️ Willis Carrier Patents Modern Air Conditioning

July 17: Willis Carrier invents the first modern electrical air conditioning unit.⟶
Willis Carrier Patents Modern Air Conditioning (1902)
Industrial Revolution
United StatesUnited States