It originated with Mr. De Grolyer, of Chicago, we believe ftnd consists of replacing the wooden pickets hitherto used to separate rows of the blocks, with a layer of concrete rammed as hard as ...

Concrete blocks are prefabricated materials primarily ... in architecture from an aesthetic standpoint? Undoubtedly, wood and concrete emerge as strong contenders, not only due to their ...

I used pieces of treated wood to represent concrete blocks, and 3" wide strips from white plastic-coated wire baskets to ...