Pentonville Road the road in the 19th and 20th centuries, particularly after the arrival of London railways in the 1840s. As industrial manufacturing fell out of favour in London in the late 20th century, many properties are now residential or student accommodation. Current premises include the Crafts Council Gallery on the site of a former chapel, the Scala nightclub in a former cinema, and The Castle, a public house. The road is long and runs east from King's Cross station as a continuation of Euston Road. It ends at the Angel, Islington, at a junction with Islington High Street and Goswell Road;
Blue light (pyrotechnic signal) texts and often included antimony or copper compounds meant to add a blue color, but by the time of the American Civil War, standard military texts listed recipes for blue light which lacked any such coloring agent. While the generic moniker "blue light" was retained, the pyrotechnic signal was meant to burn with a vivid, white light. Modern authors have been confused by the generic name of blue light, and have imagined incorrectly that the signal which was seen during the "Hunley" - "Housatonic" encounter was blue. The oil lantern which archeologists at the Warren Lasch Conservation Center recovered from