Morlaix viaduct,France. Early photograph,dating from around 1880,of the viaduct and main square in the town of Morlaix,France. This bridge,completed 1863,combined a rail level (upper) and a road level (lower). Constructed from masonry (stone and brick),it is 62 metres tall here at its highest point,292 metres long,and has 14 arches. Here,steam locomotives were used; today,the railway is electrified. The photographic printing technique used here was halftone printing,with the resulting print known as a halftone. The halftone printing technique became successful in the early 1880s,and this is one of the first such prints |