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The value and accuracy of the work, when estimated by standards which form proper criteria for that period, is universally recognised. It greatly promoted the progress of sidereal astronomy, and the authors were in consequence awarded medals from the Royal Society, and the Royal Astronomical Society, as well as similar testimonials from various foreign institutions.
In 1575 he left Denmark once more and made his way to Cassel, where he found a kindred spirit in the studious Landgrave, William IV. of Hesse, whose astronomical pursuits had been interrupted by his accession to the government of Hesse, in 1567.
Before putting the trace of the river thus derived upon the map it was adjusted to correspond with the results of astronomical observations for latitude and longitude at twelve intermediate points between its mouth and the outlet of Lake St. Francis.
Yet, at the time of passing this act, it was well understood that the appropriation it contained was to be applied to that object; and subsequently, in direct defiance of this prohibition, Congress permitted that and other appropriations to be applied to the erection of an Astronomical Observatory in the city of Washington, to which annual appropriations were successively granted in the bill providing for the navy department; the authors of the proviso being aware of the uses to which the fund would be applied, but causing its insertion for the purpose of preventing its erection from being attributed to the influence of Mr.
The Observatory, with its magnificent instruments for astronomical purposes, the Coast and Geodetic Survey, and the Naval Hydrographic Bureau, each with its stores of maps and charts; the Bureau of Education, the Indian Office, the General Land Office, and the Geological Survey are all scientific institutions of acknowledged position.
It must, of course, be remembered that in those early days the art of constructing the astronomical telescope was very imperfectly understood. The only known method for getting over the peculiar difficulties presented in the construction of the refracting telescope, was to have it of the most portentous length.
Probably astronomical work was not nearly so hard as her mother's, the care of a house and ten children! For ten years more Miss Mitchell worked in the library, and in studying the heavens. But she had longed to see the observatories of Europe, and the great minds outside their quiet island. Therefore, in 1857, she visited England, and was at once welcomed to the most learned circles.
Tsou Yen himself was ridiculed as a dreamer; but very soon, when the idea of the reciprocal destruction of the elements was applied, perhaps by Tsou Yen himself, to politics, namely when, in connection with the astronomical calculations much cultivated by this school and through the identification of dynasties with the five elements, the attempt was made to explain and to calculate the duration and the supersession of dynasties, strong pressure began to be brought to bear against this school.
Similar tubes have been found among relics of the Mound-Builders in Ohio and elsewhere. In Mexico, Captain Dupaix saw sculptured on a peculiar stone structure the figure of a man making use of one. Astronomical devices were sculptured below the figure. This structure he supposed to have been used for observation of the stars.
The Magian, as being one of the most skillful makers of astronomical instruments, and attached to the sanctuary, had a key of the room he had designated. Zminis found him there, and their business was quickly settled. They knew each other well, and each knew things of the other which inspired them with mutual fear.
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