![]() That salt breath of the sea faded, and now after all it was only a common night, cloudy, cool, and filled with the crickling of nocturnal insects.Īlthough the main petiole is continually and rapidly describing small ellipses during the day, yet after the great nocturnal rising movement has commenced, if dots are made every 2 or 3 minutes, as was done for an hour between 9. This country is flooded with cheap circulars and pamphlets, circulated openly and broadcast, wherein ignorant, pretentious, blatant quacks endeavor to frighten young men who may never have practiced self-abuse, or been guilty of excesses in any way, and yet who experience, now and then at long intervals, nocturnal seminal emissions. Job Caudle was left in this briary world without his daily guide and nocturnal monitress, he was in the ripe fulness of fifty-seven. This thing seemed to be a nocturnal hunter, so Bonhomme decided it would be wise to bivouac in an enclosed structure this night. The churchyard at Ashford, and the stone cross, from whence diverged the several roads to London, Canterbury, and Ashford, situated midway between the two latter places, served, so tradition avouched, as nocturnal theatres for the unhallowed deeds of the Wulfrics, who thither prowled by moonlight, it was said, to batten on the freshly-buried dead, or drain the blood of any living wight who might be rash enough to venture among those solitary spots. 1530 by Peter Apianus in his Cosmographicus Liber republished later by Gemma Frisius with a widely circulated illustration of the instrument while being used by an observer. With Martín Cortés de Albacar's book Arte de Navegar, published in 1551 the name and the instrument gained a larger popularity Raymond Lull repeatedly described the use of a sphaera horarum noctis ou astrolabium nocturnum. ![]() The earlier image presenting the use of a nocturnal is in a manuscript dated from the 12th century. Knowing the time is important in piloting for calculating tides and some nocturnals incorporate tide charts for important ports.Įven if the nightly course of the stars has been known since antiquity, the mentions of a dedicated instrument for its measurement are not found before the Middle Ages. Sometimes called a "horologium nocturnum" (time instrument for night) or nocturlabe (in French and occasionally used by English writers), it is related to the astrolabe and sun dial. A nocturnal is an instrument used to determine the local time based on the relative positions of two or more stars in the night sky.
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