shaft tube
51USS Spuyten Duyvil (1864) — During the American Civil War, the Union Navy suffered heavy losses from the explosion of Confederate torpedoes. This experience prompted the Union Navy to design and build vessels capable of using this new weapon. One effort along this line… …
52mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… …
53animal development — Introduction the processes that lead eventually to the formation of a new animal starting from cells derived from one or more parent individuals. Development thus occurs following the process by which a new generation of organisms is produced by …
54Meillerwagen — Manufacturer Gollnow Son Assembly Germany Class trailer …
55IBM Selectric typewriter — The IBM Selectric typewriter (occasionally known as the IBM Golfball typewriter) is an influential electric typewriter design. It was introduced in 1961.Instead of a basket of pivoting typebars the Selectric had a pivoting type element… …
56building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
57Thermal power station — Republika Power Plant, a thermal power station in Pernik, Bulgaria …
58Glossary of nautical terms — This is a glossary of nautical terms; some remain current, many date from the 17th 19th century. See also Wiktionary s nautical terms, Category:Nautical terms, and Nautical metaphors in English. Contents: A B C D E F G H I J K L M N O P Q R …
59Hotchkiss drive — The Hotchkiss drive is a system of power transmission. It was the dominant form of power transmission for front engine, rear drive cars in the 20th century. The name comes from the French automobile firm of Hotchkiss, and dates to the earliest… …
60Cortical cooling — Neuroscientists generate various studies to help explain many of the complex connections and functions of the brain. Most studies utilize animal models that have varying degrees of comparison to the human brain; for example, small rodents are… …
