I noticed there was a lead glass tumbler of brandy on his desk.

我注意到他办公桌上有一个装白兰地杯。

A major milestone in the history of glass occurred with the invention of lead crystal glass by the English glass manufacturer George Ravenscroft (1632-1683).

史上一个重要里程碑是英国制造商 George Ravenscroft（1632-1683 年）发明了水晶。

The double-layered and plated technique of leading Mr Denny's glass, with the lines almost lost in the painting, was at first new to him, and correspondingly tricky.

起初这种在涂色中几乎不留双层镀金属工艺对他来说是全新，而且技术性很强。

In 1767 the Townshend Acts, named after the British Chancellor of the Exchequer at the time, levied duties on paint, lead, glass, paper, and tea.

1767 年，《汤森法案》以当时英国财政大臣名字命名，对油漆、、、纸张和茶叶征收关税。