The ancient Egyptians used levers in building the pyramids. Although it is not known exactly how they erected the great obelisks, it's a pretty sure bet that they used levers in some way.
Travis Answer: Well, we often get questions of why we don't use pulleys in pyramid building or obelisk raising, and one very critical piece of information here was given by Roger Hopkins on the ...
The Art Newspaper took a tour of this treasure-stuffed colossus and was impressed by its gargantuan scale and coherent layout ...
Not exactly the best way to refresh your backyard landscape on a budget, until you consider that a pre-made wooden obelisk of the same size can cost about $100 — like this 46" Cedar Pyramid ...