c. 3500 BCE
Beads & glazes
Near Eastern vitreous materials before true vessels.
Glas did not arrive as a finished commodity. Mesopotamia / Egypt; float 1959 around Near East → St Helens still explains who makes it and which tests it sits in.
Ten dated points, five eras and three milestones below are the spine — not a complete industrial history.
Ursprung
Mesopotamia / Egypt; float 1959Near East → St Helens
Zeitlinie
c. 3500 BCEBeads & glazes
Near Eastern vitreous materials before true vessels.
c. 1500 BCECore-formed vessels
Egyptian and Mesopotamian luxury glass.
c. 50 BCEBlowpipe
Syro-Palestinian blowing scaled tableware.
1674Ravenscroft lead
English lead crystal.
1910sOwens bottle machine
Automatic bottles crashed cost.
1959Pilkington float
Tin bath made optical-quality sheet the default.
1970sIGU sealed units
Insulation became a gap, not the glass.
1980sLow-e coatings
Silver stacks reflect IR.
1990sTempered safety codes
Doors and façades mandated heat-treated glass.
2010sFire-rated gel / ceramics
Integrity glass is a different product than window glass.
Epochen
c. 50 BCE
Blowpipe
Syro-Palestinian blowing scaled tableware.
1910s
Owens bottle machine
Automatic bottles crashed cost.
1970s
IGU sealed units
Insulation became a gap, not the glass.
1990s
Tempered safety codes
Doors and façades mandated heat-treated glass.
Meilensteine
Ravenscroft lead
1674English lead crystal.
IGU sealed units
1970sInsulation became a gap, not the glass.
Fire-rated gel / ceramics
2010sIntegrity glass is a different product than window glass.
Knowing this timeline is how to read a mill certificate without treating Glas as timeless.