books.google.co.uk - Pressed flint glass has never been out of production since its introduction at the beginning of the nineteenth century, and vast quantities have been manufactured. This book surveys the development of the processes which transformed glassmaking from a craft into an industry, supplying an expanding consumer...http://books.google.co.uk/books/about/Pressed_Flint_Glass.html?id=wT21SpvLKusC&utm_source=gb-gplus-sharePressed Flint Glass
