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Imprimus. That certain wags in Rotterdam have certain especial antipathies to certain burgomasters and astronomers.

Don’t understand at all.

Secondly. That an odd little dwarf and bottle conjurer, both of whose ears, for some misdemeanor, have been cut off close to his head, has been missing for several days from the neighboring city of Bruges.

Well — what of that?

Thirdly. That the newspapers which were stuck all over the little balloon were newspapers of Holland, and therefore could not have been made in the moon. They were dirty papers — very dirty — and Gluck, the printer, would take his Bible oath to their having been printed in Rotterdam.

He was mistaken — undoubtedly — mistaken.

Fourthly, That Hans Pfaall himself, the druken villain, and the three very idle gentlemen styled his creditors, were all seen, no longer than two or three days ago, in a tippling house in the suburbs, having just returned, with money in their pockets, from a trip beyond the sea.

Don’t believe it — don’t believe a word of it.

Lastly. That it is an opinion very generally received, or which ought to be generally received, that the College of Astronomers in the city of Rotterdam, as well as other colleges in all other parts of the world, — not to mention colleges and astronomers in general, — are, to say the least of the matter, not a whit better, nor greater, nor wiser than they ought to be.

-End of Text-

Notes to Hans Pfaal

{*1} NOTE–Strictly speaking, there is but little similarity between the above sketchy trifle and the celebrated “Moon-Story” of Mr. Locke; but as both have the character of hoaxes (although the one is in a tone of banter, the other of downright earnest), and as both hoaxes are on the same subject, the moon–moreover, as both attempt to give plausibility by scientific detail–the author of “Hans Pfaall” thinks it necessary to say, in self-defence, that his own jeu d’esprit was published in the “Southern Literary Messenger” about three weeks before the commencement of Mr. L’s in the “New York Sun.” Fancying a likeness which, perhaps, does not exist, some of the New York papers copied “Hans Pfaall,” and collated it with the “Moon-Hoax,” by way of detecting the writer of the one in the writer of the other.

As many more persons were actually gulled by the “Moon-Hoax” than would be willing to acknowledge the fact, it may here afford some little amusement to show why no one should have been deceived-to point out those particulars of the story which should have been sufficient to establish its real character. Indeed, however rich the imagination displayed in this ingenious fiction, it wanted much of the force which might have been given it by a more scrupulous attention to facts and to general analogy. That the public were misled, even for an instant, merely proves the gross ignorance which is so generally prevalent upon subjects of an astronomical nature.

The moon’s distance from the earth is, in round numbers, 240,000 miles. If we desire to ascertain how near, apparently, a lens would bring the satellite (or any distant object), we, of course, have but to divide the distance by the magnifying or, more strictly, by the space-penetrating power of the glass. Mr. L. makes his lens have a power of 42,000 times. By this divide 240,000 (the moon’s real distance), and we have five miles and five sevenths, as the apparent distance. No animal at all could be seen so far; much less the minute points particularized in the story. Mr. L. speaks about Sir John Herschel’s perceiving flowers (the Papaver rheas, etc.), and even detecting the color and the shape of the eyes of small birds. Shortly before, too, he has himself observed that the lens would not render perceptible objects of less than eighteen inches in diameter; but even this, as I have said, is giving the glass by far too great power. It may be observed, in passing, that this prodigious glass is said to have been molded at the glasshouse of Messrs. Hartley and Grant, in Dumbarton; but Messrs. H. and G.’s establishment had ceased operations for many years previous to the publication of the hoax.