'In 1824 British bricklayer Joseph Aspdin invented the Portland type of this'
cement
INVENTIONS: In 1824 British bricklayer Joseph Aspdin invented the Portland type of this
In 1824 British bricklayer Joseph Aspdin invented the Portland type of this
In 1824 British bricklayer Joseph Aspdin invented the Portland type of this
INVENTIONS
cement
INVENTIONS