'In 1674 England's George Ravenscroft patented glass that used an oxide of this heavy element, Pb'
lead
GLASS: In 1674 Englands George Ravenscroft patented glass that used an oxide of this heavy element, Pb
In 1674 England's George Ravenscroft patented glass that used an oxide of this heavy element, Pb
In 1674 England's George Ravenscroft patented glass that used an oxide of this heavy element, Pb
GLASS
lead
GLASS