a method of ascertaining position by the use of a map showing prominent features of the terrain and enabling one to sight through them to obtain a fix.
- Bessemer converter
the refractory-lined metal container in which steel is produced by the Bessemer process. noun a refractory-lined furnace used to convert pig iron into steel by the Bessemer process
- Bessemer process
a process of producing steel, in which impurities are removed by forcing a blast of air through molten iron. Historical Examples Tillie Roger Phillips Graham Diggers in the Earth Eva March Tappan Scientific American Supplement, No. 514, November 7, 1885 Various The Unpopular Review Vol. I Various Autobiography of Andrew Carnegie Andrew Carnegie An Elementary […]
- Bessemer steel
steel made by the Bessemer process. Historical Examples Railroads: Rates and Regulations William Z. Ripley Donahoe’s Magazine, Vol. XV, No. 4, April, 1886 Various
Sir Henry, 1813–98, English engineer: inventor of the Bessemer process. a city in central Alabama. Contemporary Examples Charles Portis, a Journalist With True Grit Jay Jennings September 24, 2012 Historical Examples Exit Betty Grace Livingston Hill Diggers in the Earth Eva March Tappan The Harris-Ingram Experiment Charles E. Bolton Stories of Invention Edward E. Hale […]