Glaskrug und Gläser aus optischem Glas

Optical glass – what’s that?

Glass lovers will occasionally stumble over the term “optical…
Whiskeytumbler Quadrone LeadcrystalOertelCrystal

How overlay glass is made

Have you ever wondered with what the glasses are colored?…
multi-purpose

Colortrend green

Green is in, did you know that the green color of crystal glass…