Archaeology of the Channel Islands Archaeology of the Channel Islands Archaeology is promoted in Jersey by the "Société Jersiaise" and by "Jersey Heritage". Promotion in the Bailiwick of Guernsey being undertaken by "La Société Guernesiaise", "Guernsey Museums", the "Alderney Society" with World War II work also undertaken by "Festung Guernsey". Archaeologists in each island give regular talks on their work and summer digs in the islands usually require helpers and volunteers. Interest in the archaeology of the islands is first recorded in the 16th century. By the 18th century articles were being published in magazines with engravings explaining interesting historic sites. The Société Jersiaise was
History of water supply and sanitation was invented by Alexander Cummings in 1775 but became known as the U-bend following the introduction of the U-shaped trap by Thomas Crapper in 1880. The first screw-down water tap was patented in 1845 by Guest and Chrimes, a brass foundry in Rotherham. Founders of microscopy, Antonie van Leeuwenhoek and Robert Hooke, used the newly invented microscope to observe for the first time small material particles that were suspended in the water, laying the groundwork for the future understanding of waterborne pathogens and waterborne diseases. Sir Francis Bacon attempted to desalinate sea water by passing the flow through a sand