The Elevator

There’re a couple of YouTube videos that illustrate the history & principles of elevators.

History Part
Secret Life Of Machines – The Lift aka Elevator (Full Length)
View it on YouTube here
How Elevators Changed the World | Origins: The Journey of Humankind
View YouTube video here
Principle Part
How Elevator Works
View it on YouTube here

And the follow-up is a very impressive animation made by UC Berkeley.

Elevator Project Animation – UC Berkeley
View it on YouTube here
Elevator Brake Systems
Testing the limits – The Free-Fall Test
View it on YouTube here
SRH Safety device
View it on YouTube here

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