| 11. | Another treatment, which has become more frequent in recent years, is lead glass filling.
|
| 12. | Lead glass, which is especially suitable for optical instruments, caused English glassmaking to prosper.
|
| 13. | For example, lead glass bonds readily to copper or molybdenum, but not to aluminum.
|
| 14. | The gold tone was drawn from the amber lead glass windows in the top doors.
|
| 15. | This refers to lead glass as " Jewish glass ", perhaps indicating its transmission to Europe.
|
| 16. | The ingredients used to make the glass were lower-cost than those used to make lead glass.
|
| 17. | Several textual sources describing lead glass survive.
|
| 18. | Although little is known about these materials, it does suggest that lead glass contributed to England's exports.
|
| 19. | For more details, see lead glass.
|
| 20. | The glass is usually lead glass.
|
