kumpulan berbagai informasi sejarah / riwayat dan peristiwa penting lainnya dalam sejarah manusia
Pratt & Whitney’s 18-cylinder, twin-row radial didn’t break any new ground—it just got everything right. The Pratt & Whitney R-2800 was the most remarkable piston aircraft engine ever built. This compact 18-cylinder, twin-row radial powered a huge number of World War II fighters, bombers and cargo planes, then went on to propel fleets of 1950s …
The post R-2800: Piston-Engine Perfection appeared first on HistoryNet.
Interview with John M. Barry, scholar and writerJohn M. Barry dropped out of graduate school in history to become a football coach, eventually rising to assistant coach at Tulane University. He quit coaching to write, first as a… Read MoreRun, River, RunJohn Wesley Powell lost his right arm at Shiloh in the Civil War, but that didn’t affect his ambition. Self-schooled in geology and native cultures, he launched an expedition in 18… Read MoreIt was TitanicIn 1912, a ship was the only way to cross the Atlantic Ocean, and a century later it is easy to forget that some 2 million people made the transoceanic journey that year. But the R… Read MoreTime Travel in PhotographyAll aboard the anachronism express! The photographs on these pages may look as if they were taken a century ago, but in fact they were all made in the past 15 years. Lensman Joel J… Read MoreHistory of IvoryIn a simpler time, Americans couldn’t imagine the consequences of using elephant tusks from Africa to equip every parlor with a piano. Last summer on the island of Zanzibar, off th… Read More
0 komentar:
Posting Komentar