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November 24, 2020, 2:59 pm UTC    
July 09, 2020 12:28PM
I'm starting a new thread in Science and Technology because steel (and other modern technology) is being used today in moving extremely heavy objects. During the time Stonehenge was being constructed [www.hallofmaat.com] steel hadn't been invented yet.

What I find interesting is the fact that ancient technology was also used in moving these lighthouses, some things just don't change over time.
Moved a distance of 2,900 feet (880 m) and a smaller one with better detail in this YouTube video:

The steel rollers (machinery skates) are nothing more than a large version of a bike chain:
At 0.30 seconds into the YouTube video notice the small wood cribbing used as a base track for the lighthouse. Then at 0.26 seconds a man is spreading a modern lubricant on the steel portion of the track with an ordinary brush, the same idea as using lard before way oil was invented.
And that hydraulic arm pushing the lighthouse along?
More vegetables in use.
Subject Author Posted

Moving 5000 tons down the road with a bicycle chain?

Lee Olsen July 09, 2020 12:28PM

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