glass-cutting wheel
71United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
72Gallé, Émile — born May 8, 1846, Nancy, Fr. died Sept. 23, 1904, Nancy French glass and furniture designer. From 1867 he worked in his father s faience and furniture factory in Nancy. His deeply coloured opaque pieces, layered and carved or etched with plant… …
73Industrial 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… …
74Chisel — This article is about the tool. For the American band, see Chisel (band). For the album by Australian band Cold Chisel, see Chisel (album). Steel woodworking chisel …
75Chainsaw — For other uses, see Chainsaw (disambiguation). An arborist using a chainsaw to fell a eucalyptus tree A chainsaw (or chain saw) is a portable mechanical saw, powered by electricity, compressed air, hydraulic power, or most common …
76Tap and die — Not to be confused with Tool and die. Taps and dies are cutting tools used to create screw threads, which is called threading. A tap is used to cut the female portion of the mating pair (e.g., a nut). A die is used to cut the male portion of the… …
77Muslim Agricultural Revolution — The Islamic Golden Age from the 8th century to the 13th century witnessed a fundamental transformation in agriculture known as the Arab Agricultural Revolution, Medieval Green Revolution, [A. M. Watson (1981), A Medieval Green Revolution: New… …
78Supermarine Spitfire (early Merlin powered variants) — Infobox Aircraft name =Spitfire type =Fighter manufacturer =Supermarine caption =Spitfire Vc launching from USS Wasp designer =R. J. Mitchell first flight =5 March 1936 introduction =1938 retired =1955, RAF status = primary user =Royal Air Force… …
79Nathaniel Hitch — Nationality English Field Sculpture Training Was sent by Farmer and Brindley to evening classes at Borough Polytechnic before setting out as a journeyman sculptor …
80Micrometer — This article is about the measuring device. For the unit of length, see Micrometre. Outside, inside, and depth micrometers A micrometer (   …
