by Ben T. Sheppard
Bricks With Protrusions
October 1963…Bricks with protrusions at the sides could be used as spacers. This would make it a lot easier for the amateur brick layer to keep each course level.
Click here to post comments
Join in and write your own page! It's easy to do. How? Simply click here to return to Historic Innovations Ideas and Inventions.
By Martin Gilliard, Copyright © 2010-2018 Innovation-Creativity.Com