two-spar structure
61Space elevator — A space elevator for Earth would consist of a cable anchored to the Earth s equator, reaching into space. By attaching a counterweight at the end (or by further extending the cable upward for the same purpose), the center of mass is kept well… …
62Ironclad warship — An ironclad was a steam propelled warship of the later 19th century, protected by iron or steel armor plates. [Hill, Richard. War at Sea in the Ironclad Age ISBN 0 304 35273 X; p.17] The ironclad was developed as a result of the vulnerability of… …
63Against the Day — infobox Book | name = Against the Day image caption = First edition cover author = Thomas Pynchon country = United States language = English genre = Novel publisher = Penguin Press release date = November 21, 2006 pages = 1085 pp media type =… …
64Political positions of John McCain — U.S. Senator John McCain (R AZ), a member of the U.S. Congress since 1983, a two time U.S. presidential candidate, and the nominee of the Republican Party in the 2008 U.S. Presidential election, has taken positions on many political issues… …
65Bell P-39 Airacobra — P 39 Airacobra P 39Q 1BE 42 19447, Saga Boy II of Lt. Col. Edwin S. Chickering, CO 357th Fighter Group, July 1943 Role Fighter …
66Hawker Typhoon — Typhoon Typhoon Ib EK139 N Dirty Dora of 175 Sqn. being armed with 500 lb (227 kg) concrete practice bombs in late 1943 …
67Selenite — This article is about the mineral: for other meanings, see Selenite (disambiguation). Selenite, satin spar, desert rose, and gypsum flower are four varieties of gypsum; all four varieties show obvious crystalline structure. The four crystalline… …
68The Boats of the "Glen Carrig" — Infobox Book | name = The Boats of Glen Carrig title orig = translator = image caption = dust jacket of The Boats of Glen Carrig author = William Hope Hodgson illustrator = cover artist = country = United Kingdom language = English series = genre …
69Gordon Dove — Gove Role Single seat sports ultralight aircraft National origin United Kingdom Manufacturer Premier Aircraft Construction Ltd Designer S.C. Buszard First flight 3 March 1937 Number built 3 …
70Messerschmitt Bf 109 variants — Main article: Messerschmitt Bf 109 Bf 109 Bf 109G 10, with Erla Haube canopy and taller, wooden vertical fin/rudd …
