Masonry Design
Pages
(Move to ...)
Home
▼
Tuesday, April 19, 2011
Keystone
The keystone gets placed
top center gap in the arch.
Firm and firmer, total strength.
I stand on it solidly, amazed
at such an obvious thing.
No comments:
Post a Comment
‹
›
Home
View web version
No comments:
Post a Comment