Use and Adjustment
Use and adjustment of the octant is essentially identical to the navigator's sextant, which see for information on these topics.
Read more about this topic: Octant (instrument)
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“What men have called friendship is only a social arrangement, a mutual adjustment of interests, an interchange of services given and received; it is, in sum, simply a business from which those involved propose to derive a steady profit for their own self-love.”
—François, Duc De La Rochefoucauld (1613–1680)