1. Float glass - which side do you paint enamel on?
Float - or window - glass has what is called a "box" or "canned" and beside it a tune. This is the modern method of manufacturing flat glass. Molton glass is floated on a pool of liquid tin, where gravity and surface tension do their job to smooth and polish the sheets of glass.
This is the side touching the tin - the 'tinned' side - you want to avoid the use of glass paint, you want to paint on the side "air". The oxide residue left on the side "tin" is likely to affect the color of your paint stained glass while cooking.
So how do you know which side is the side "box"? You...
