History of lighthouses with demands, and to the loss of a number of ships, most notably the Dutch merchant ship Vreede in 1800 with the loss of 380 lives. After the reforms of the Lighthouse Act 1836, owners still managed to collect large dues, of which the largest were for the Smalls Lighthouse which collected £23,000 in 1852 and Trinity House was forced to spend over £1m in buying back leases, including £444,000 for the Skerries Lighthouse. The modern era of lighthouses began at the turn of the 18th century, as lighthouse construction boomed in lockstep with burgeoning levels of transatlantic commerce. Advances
History of lighthouses the construction and maintenance of all lighthouses and navigation aids in the United States The source of illumination had generally been wood pyres or burning coal but this was expensive, some lighthouses consuming 400 tons of coal a year. Candles or oil lamps backed by concave mirrors were used, often in large banks. The French conducted a series of tests between 1783 and 1788 with varying results. Smeaton's Eddystone lighthouse used 24 candles until 1810. The Argand lamp, invented in 1782 by the Swiss scientist, Aimé Argand, revolutionized lighthouse illumination with its steady smokeless flame. The Argand lamp had a