Brass patented a technique for the first industrial scale distillation of metallic zinc known as "distillation per descencum" or "the English process." This local zinc was used in speltering and allowed greater control over the zinc content of brass and the production of high-zinc copper alloys which would have been difficult or impossible to produce using cementation, for use in expensive objects such as scientific instruments, clocks, brass buttons and costume jewellery. However Champion continued to use the cheaper calamine cementation method to produce lower-zinc brass and the archaeological remains of bee-hive shaped cementation furnaces have been identified at his works
What the Industrial Revolution Did for Us What the Industrial Revolution Did for Us What the Industrial Revolution Did for Us is a BBC documentary series produced in conjunction with the Open University that examines the impact of the Industrial Revolution on modern society. It was originally broadcast on BBC Two from 7 October to 11 November 2003. Cruickshank travels around Britain to introduce the idea and inventions of the Industrial Revolution that created the modern material world. Cruickshank travels around Britain to introduce the idea and inventions of the Industrial Revolution that created the features of modern working life. Cruickshank travels around Britain to introduce the