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The items include two sextants, an octant, and a telescope. [3] American Arctic explorer Charles Francis Hall (1821–1871) owned one of the sextants. It is believed that this brass sextant was most probably with him on 30 August 1871. [19] On that day, Hall (pictured) had arrived at the furthest northern point achieved by an explorer to date.
Craigslist headquarters in the Inner Sunset District of San Francisco prior to 2010. The site serves more than 20 billion [17] page views per month, putting it in 72nd place overall among websites worldwide and 11th place overall among websites in the United States (per Alexa.com on June 28, 2016), with more than 49.4 million unique monthly visitors in the United States alone (per Compete.com ...
Sold for: $12,500 G.I. Joes took the ’60s by storm when they were released in 1964, and several vintage versions are worth lots of money today. One of the most prominent, though, is the Navy G.I ...
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 ...
The frame of a sextant is in the shape of a sector which is approximately 1 ⁄ 6 of a circle (60°), [3] 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 [4] span sectors of approximately 1 ⁄ 8 of a circle (45°), 1 ⁄ 5 of a circle (72 ...
Donald Trump sued Twitter after being kicked off the platform following the Jan. 6 riots. Ally Elon Musk bought it, now X is reportedly settling.
A shrunken head is a severed and specially-prepared human head – often decreased to many times smaller than typical size – that is used for trophy, ritual, trade, or other purposes. Headhunting is believed to have occurred in many regions of the world since time immemorial , but the practice of head shrinking has only been documented in the ...
A stadimeter operator adjusts the lower knob until the top and bottom of the object are aligned, and then reads the corresponding range off the edge of the lower knob through a small magnifying lens. A stadimeter is an optical device for estimating the range to an object of known height by measuring the angle between the top and bottom of the ...