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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 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.
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 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 ...
Another factor is the time of year. Gas prices are typically near a low for the year in February due to weak demand. If the tariffs stay in place through summer, the impact will be greater, he said.
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 ...
An Academy Award is priceless to those who win.. But when you get down to brass tacks, a shiny Oscar statue costs roughly $400 to make, CBS News reports. Since 2016, the gold-covered trophies have ...
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 ...
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