closed-top furnace
51spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …
52Industrial Review — ▪ 1994 Introduction The period since 1990 was proving a difficult time for the older industrialized economies, which had suffered from prolonged recession at home, and also for the previously centrally planned economies of Eastern Europe… …
53biblical literature — Introduction four bodies of written works: the Old Testament writings according to the Hebrew canon; intertestamental works, including the Old Testament Apocrypha; the New Testament writings; and the New Testament Apocrypha. The Old… …
54Diffusion of technology in Canada — This article outlines the history of the diffusion or spread of technology in Canada. Technologies chosen for treatment here include, in rough order, transportation, communication, energy, materials, industry, public works, public services… …
55environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …
56Monmouthshire and Brecon Canal — The Monmouthshire and Brecon Canal is a small network of canals in South Wales. For most of its 35 mile (56 km) length it runs through the Brecon Beacons National Park, and its present rural character and tranquillity belies its original… …
57Newcomen steam engine — Animation of a schematic Newcomen steam engine. – Steam is shown pink and water is blue. – Valves move from open (green) to closed (red) The atmospheric engine invented by Thomas Newcomen in 1712, today referred to as a Newcomen steam engine (or… …
58Monmouthshire & Brecon Canal — The Monmouthshire Brecon Canal is a small network of canals in South Wales. For most of its convert|35|mi|km|sing=on length it runs through the Brecon Beacons National Park, and its present rural character and tranquillity belies its original… …
59Speedwell Forge — was built in 1760 in Elizabeth Township, Lancaster County, Pennsylvania. It operated continuously until 1854, when it closed as iron production moved west. The following are notes collected while researching the associated ironmaster s mansion… …
60Technology of the Song Dynasty — The Song Dynasty ( zh. 宋朝; 960–1279 CE) provided some of the most significant technological advances in Chinese history, many of which came from talented statesmen drafted by the government through imperial examinations.The ingenuity of advanced… …
