Westminster Hall

1888 Scientific American  
into the hall in full armor, and threw down the gaunt let on the floor, challenging the world in a king's be half.-P. Cunningham. still more by the dull sound which they emit when struck; their grain being soft they crumble easily, and absorb water with avidity. A good brick should not absorb more than about one-fifteenth of its own weight of water; it should appear, and in reality be, dry.
doi:10.1038/scientificamerican03011888-65bbuild fatcat:qurag3lkrvdrpg32nkb4blckpi