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The frame of a sextant is in the shape of a sector which is approximately 1 ⁄ 6 of a circle (60°), [2] hence its name (sextāns, sextantis is the Latin word for "one sixth"). "). Both smaller and larger instruments are (or were) in use: the octant, quintant (or pentant) and the (doubly reflecting) quadrant [3] span sectors of approximately 1 ⁄ 8 of a circle (45°), 1 ⁄ 5 of a circle (72 ...
The Bris sextant / ˈ b r iː s /, or Bris Mini-Sextant, is not a sextant proper, but is a small angle-measuring device that can be used for navigation. [ 1 ] [ 2 ] The Bris is, however, a true reflecting instrument which derives its high accuracy from the same principle of double reflection which is fundamental to the octant, the true sextant ...
Sylvia Plath (/ p l æ θ /; October 27, 1932 – February 11, 1963) was an American poet and author.She is credited with advancing the genre of confessional poetry and is best known for The Colossus and Other Poems (1960), Ariel (1965), and The Bell Jar, a semi-autobiographical novel published shortly before her suicide in 1963.
The first known mural sextant was constructed in Ray, Iran, by Abu-Mahmud al-Khujandi in 994. [1] To measure the obliquity of the ecliptic, al-Khujandī invented a device that he called al-Fakhri sextant (al-suds al Fakhrī), a reference to his patron, Buwayhid ruler, Fakhr al Dawla (976–997).
In 1953, Weems was awarded the Magellanic Premium, an honor given for contributions to navigation, astronomy or natural philosophy.It has been awarded only 33 times to 40 people since it was established in 1786.
Plath's professor Alfred Young Fisher drew a parallel between the poem and James Joyce's Ulysses. In a manuscript held in the Sylvia Plath Collection at Smith College , his margin notes appear to compare the poem's last line "And that is that, is that, is that" with Joyce's repetition in the line "showed me her next year in drawers return next ...
Looking ahead! Olivia Plath and Ethan Plath see themselves starting a family in the future — but not just yet. Levys! Kardashians! See Famous Celebrity Families’ Photos Read article “I think ...
John Bird (1709– 31 March 1776) was a British mathematical instrument maker who was notable for inventing the sextant. [citation needed] He came to London in 1740 where he worked for Jonathan Sisson and George Graham. [1] By 1745, he had his own business in the Strand.