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Darby · 03-12-2004, 06:00

Its the Key stone in the middle that stresses the other bricks and provents them from falling.

In most arches of that era a keystone was always used, as its the "key" to the design. Hence the word "Keystone"!!

03-12-2004, 06:00	#7
Darby Senior Member Join Date: Jan 2004 Location: Albions End Posts: 691 Liked: 2 times Rep Power: 42	Re: (S) Odd, that! Its the Key stone in the middle that stresses the other bricks and provents them from falling. In most arches of that era a keystone was always used, as its the "key" to the design. Hence the word "Keystone"!!