large span roof
71Edward Giles Stone — (17 February 1873 (1876?) – ?) was an Australian engineer prominent in many innovative, often daringly and spectacular, aspects of early reinforced concrete constructions in Australia. He was also involved in cement manufacture. Early life Stone… …
72Anthropology and Archaeology — ▪ 2009 Introduction Anthropology Among the key developments in 2008 in the field of physical anthropology was the discovery by a large interdisciplinary team of Spanish and American scientists in northern Spain of a partial mandible (lower… …
73Boeing 747 — British Airways Bo …
74T-54/T-55 operators and variants — Infobox Weapon name= T 54/55 caption= US Army recognition poster origin= Soviet Union type= Main battle tank is vehicle= yes is UK= yes service= 1947–present used by= wars= designer= Morozov (T 54), OKB 520 (T 54A and later) design date= 1945… …
75igneous rock — Any of various crystalline or glassy, noncrystalline rocks formed by the cooling and solidification of molten earth material (magma). Igneous rocks comprise one of the three principal classes of rocks, the others being metamorphic and sedimentary …
76BMP-1 variants — This is a complete list of variants and designations of the BMP 1 infantry fighting vehicle. It is sorted by country of origin. Variants Former USSRInfantry fighting vehicles* BMP (Ob yekt 764) Original main prototype of BMP 1 developed by the… …
77T-72 operators and variants — The T 72 is a Soviet designed main battle tank that entered production in 1971. It replaced the T 54/55 series as the workhorse of Soviet tank forces (while the T 64 and T 80 served as the Soviet high technology tanks). In front line Russian… …
78SYNAGOGUE — This article is arranged according to the following outline. origins and history until the first century first century c.e. middle ages modern period …
79English Gothic architecture — Westminster Hall and its hammerbeam roof, pictured in the early 19th century. English Gothic is the name of the architectural style that flourished in England from about 1180 until about 1520. Contents …
80Collapse of the World Trade Center — Coordinates: 40°42′41.12″N 74°00′44.00″W / …
