How The Egyptians Used The Sun To Mark Mitres On Stone

Posted in the category Stonemasonry by Eilidh Fridlington
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As part of the Introduction To Stonemasonry Courses, I show clients how to mark mitres onto the stone using a pencil and flat piece of wood. As it was a sunny day, I decided to show them how the Egyptians did it using the sun to cast a shadow. It seems nobody else has worked this out, so I thought I’d share this picture.

As can be seen, it’s pure simplicity; place a piece of wood between the stone and the sun, line it up with the top and bottom of the mould and a mitre is cast.

This method works with any mould at any return angle and will give a perfect representation including any defects in the mould being returned.

How the Egyptians marked mitres on stone mouldings.

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