P1 glass is a mouth-blown cylinder glass made in Europe today. Handmade by glass smiths to be a true replica of the cylinder glass in wide use in
P2 Restoration Mouth-blown Wavy Glass for Historic Windows and Furniture: Late 1700s to Mid 1800s
Most of the better homes in the late 1700’s through the mid 1800s used Crown Glass. Considered clearer and better than Cylinder Glass, the Crown Glass