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

我注意到他的办公桌上有一装白兰地的玻璃杯。

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).

玻璃历史上的一里程碑是英国玻璃制造商 George Ravenscroft（1632-1683 年）发明了水晶玻璃。

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.

起初这种在几乎不留线条的双层镀金属的工艺对他来说是全新的，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》以当时的英国财政大臣的名字命名，对油漆、、玻璃、纸张和茶叶征收关税。