5 3/8 Purple 2-2-15 Corning Glass Works CVX color comparison to Zurn 2 7/8
So obviously im blind , yeah not a super crisp image to illustrate but the color is there and compared to an early railroad purple 2-2-15 5 3/8 semaphore roundel the point is made comparing my personal choice for a original substitute back spectacle roundel which is a furnace window by Zurn "cobalt" ( term made by seller ) 3 inch at 1/4 thick
worked by me down to 2 7/8.
If the color wasnt there.. the thickness wasnt there I would not have put the hours of grinding these glasses for half ass displays.
5 3/8 Purple 2-2-15 Corning Glass Works CVX color comparison to Zurn 2 7/8
So obviously im blind , yeah not a super crisp image to illustrate but the color is there and compared to an early railroad purple 2-2-15 5 3/8 semaphore roundel the point is made comparing my personal choice for a original substitute back spectacle roundel which is a furnace window by Zurn "cobalt" ( term made by seller ) 3 inch at 1/4 thick
worked by me down to 2 7/8.
If the color wasnt there.. the thickness wasnt there I would not have put the hours of grinding these glasses for half ass displays.