They had jeweled points set into bronze tube drills. Artisans used generations of experience and secret grinding methods with a good knowledge of metallurgy.
This is a related article old Egypt drilling methods
"In 1996, this tube-drilled piece of granite was on display in the Cairo Museum"
They had jeweled points set into bronze tube drills. Artisans used generations of experience and secret grinding methods with a good knowledge of metallurgy.
This is a related article old Egypt drilling methods
They had jeweled points set into bronze tube drills. Artisans used generations of experience and secret grinding methods with a good knowledge of metallurgy.
This is a related article old Egypt drilling methods
"In 1996, this tube-drilled piece of granite was on display in the Cairo Museum"
