Documents Concerning the Life and Character of Emanuel Swedenborg; Collected, Translated, and Annotated Volume 1
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1875 edition. Excerpt: ...128. SWEDENBORG TO W-_.--+. Most honoured Sir, I had the honour to receive from you another letter, from which I saw that you were pleased with meditating upon the causes of the change of colour in metals. As I am always willing to furnish whatever may serve this object, I appeal therefore to my former letter, especially as this depends chiefly upon the experiments themselves, and upon all the circumstances by which they are necessarily attended, all of which must be taken into consideration, before a statement can be made about their cause. For in order that anything may be judged a posteriori, and a priori, such data must be given, as may enable one in the end to arrive at the cause; This letter is contained in the Correspondence of Doctor Carl Jesper Bcnzelius," professor at Lund, which is preserved in the Cathedral-library at Linkiiping. 1-"Bergius' Collection," in Stockholm Vol. XIV, p. 299. because one and the same phenomenon cannot only be produced in a great many ways, but one thing may be apparently like another, although in itself it is entirely differentIn this case, therefore, the same rules must be observed as in the algebraical analyses, where one must have such propositions or data as will enable one to conclude in respect to those that are sought after. The change of colour does not furnish me any datum at all, inasmuch as this may be produced in a hundred different ways, and the particles also may be similarly circumstanced in respect to form, position, pellucidity, etc.; and yet entirely different in one case from what it is in another. Without noticing the experiments recorded in books, and which may be studied there, I will only mention two instances known to myself, which may usefully receive...
- Paperback | 236 pages
- 189 x 246 x 13mm | 426g
- 13 Sep 2013
- Illustrations, black and white