• Timeline of United States inventions (before 1890) - Wikipedia

    An octant, also called "reflecting quadrant", is a measuring instrument used primarily in navigation.It is a type of reflecting instrument that uses mirrors to reflect the path of light to the observer and, in doing so, doubles the angle measured. This allows the instrument to use a one-eighth circle arc to measure a quarter circle or quadrant.

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  • Ideadiez.com

    is and in to a was not you i of it the be he his but for are this that by on at they with which she or from had we will have an what been one if would who has her ...

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  • Global Alliance for Clean Cookstoves

    The Global Alliance For Clean Cookstoves is a public-private initiative to save lives, improve livelihoods, empower women, and protect the environment by creating a thriving global market for clean and efficient household cooking solutions.

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