Float Glass Process Invented by Sir Alastair Pilkington and his team of engineers, scientists and production workers in 1953 at Pilkington Brothers, St Helens. This process has revolutionised window and automotive glass production throughout the world since the 1960s.
Erected: 2 November 2004
Plaque Colour: Grey
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Location: Pilkington Group Limited, Prescott Road
Metropolitan District: St Helens Borough Council
Metropolitan District Ward: West Park
UK Parliament Constituency: St Helens South and Whiston