because it is so hard glass is only sanded wet, lubes the cut and prevents heating and chipping ... use carborundum closed coat wet n dry paper [or a diamond grit wheel]

Bill


Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics