Show remarkable bricks bricks that float are made from an earth found in ih denmark Is impregnated pre glinted with the fossilized remains of diatoms a very minute forin fonn of life drought brought to colchester eng the earth Is baked into bricks which tire are said to be fireproof and soundproof another novelty is the freen cavity I 1 brick 1800 of which take the place of ordinary bricks the hollow spaces in these bricks are arc linked lit in every direction thus providing constant circulation of air through the walls of the house |