One of just four UNESCO World Heritage Sites in the city, the Tower of London is one of the cityâs most popular attractions. Used variously throughout its history as a royal palace, an armoury, a prison, an execution chamber, a zoo, a barracks and a jewel house, this working royal castle offers a stunning insight into 1,000 years of history.
Early American Pattern Glass, also known simply as pattern glass, pressed glass, or Victorian glass, is pressed glass tableware (& some related novelty glass items) made during the Victorian period ca 1850-1910, only in America, in goblets and in sets such that all of the pieces in the set match in design.
Tempered Glass. What is tempered glass. Tempered glass (also known as toughened glass) is an extremely strong glass which has been thermally heat treated to induce compressive stresses of 11000 to 20000 psi on the surfaces and edge compression of not less than 9700 psi.