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This mountain, which rises only 1,815 metres above the lunar surface, has been the object of an interesting work by the astronomer Schroeter. This savant, trying to find out the origin of the lunar mountains, asked himself whether the volume of the crater always looked equal to the volume of the ramparts that formed it.
Schroeter and Maedler minutely examined the moon and planets; Struve, the fixed stars. Fraunhofer improved the telescope. Chladni first investigated the nature of fiery meteors and brought the study of acoustics to perfection. Alexander von Humboldt immensely promoted the observation of the changes of the atmosphere and the general knowledge of the nature of the earth.
As an encouragement to amateur observers who may be disposed to find out for themselves whether or not changes now take place in the moon, the following sentence from the introduction to Professor Pickering's chapter on Plato in the Harvard Observatory Annals, volume xxxii, will prove useful and interesting: "In reviewing the history of selenography, one must be impressed by the singular fact that, while most of the astronomers who have made a special study of the moon, such as Schroeter, Maedler, Schmidt, Webb, Neison, and Elger, have all believed that its surface was still subject to changes readily visible from the earth, the great majority of astronomers who have paid little attention to the subject have quite as strenuously denied the existence of such changes."
It is not only dated 1795, but has the composer's note that it is the twelfth he wrote in England. As we shall see, he directed his attention to another style of music on his return to Vienna. Meantime, in London he was incessantly occupied, was honoured by royalty and them that were great in the land, he amassed money, and he saw much of his beloved Mrs. Schroeter.
The press, such as it was one wonders who wrote the critiques of those days was as enthusiastic as the audiences, so every one was pleased. One of his principal admirers was the "pretty widow." The incident was charmingly related by the late Mrs. The lady was a Mrs. Schroeter, a wealthy widow, who lived in James Street, Buckingham Gate.
It was Schroeter, in 1789, who called the attention of scientists to them for the first time. He had only 11 to show, but Lohrmann soon recorded 75 more. Pastorff, Gruithuysen, and particularly Beer and Maedler were still more successful, but Julius Schmidt, the famous astronomer of Athens, has raised their number up to 425, and has even published their names in a catalogue.
But Herschel was mistaken too, and the observations of Schroeter, Louville, Halley, Nasmyth, Bianchini, Pastorff, Lohrman, Gruithuysen, and especially the patient studies of MM. Boeer and Moedler, were necessary to definitely resolve the question. Thanks to these savants, the elevation of the mountains of the moon is now perfectly known.
Schroeter, presenting not only the profile but the comparative elevations of the land-surfaces or continents and islands, and, in detail, of the several political divisions of the globe, thus at once making the ocular study of geography real, and not as formerly, leaving the right conception of the land-surfaces to the pupil's unaided imagination.
In 1886, M. Terby presented to the Royal Academy of Belgium notes on drawings made by Herschell and Schroeter, indicating the so-called Kaiser Sea.
The skeptics object, that Reynolds exhibited the picture in London in 1790, a year before Haydn reached London, but it is a shame to spoil a good and famous story. The true woman in the case makes her entrée in this innocent style: "Mrs. Schroeter presents her complements to Mr.
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