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. 1893 edition. Excerpt: ...the crystals themselves were small, but they were clear and transparent and seemed to possess all the beautiful properties of the natural gems. The experiment has already exc...
Paperback: 370 pages
Publisher: RareBooksClub.com (September 13, 2013)
Product Dimensions: 7.4 x 0.8 x 9.7 inches
Format: PDF ePub fb2 djvu book
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riosity and interest of many people, and the simplicity of the method will probably induce many to attempt the production of the precious stones. It is, however, safe to predict that much time and labor will yet have to be expended before marketable-sized jewels can be produced. The scientific import of the discove1y is, however, great and of immediate bearing. It is an important success in the efforts of scientific men to reproduce the rarer of the natural mineral products. The diamond, ruby, qnartz, feldspar, mica, pyroxene, hornblende, have all been made in the laboratory. The experiments are very suggestive as to how the same minerals were made in nature. Moissan's experiment throws strong light on the condition of the carbon in melted iron, a question of great practical import. Finally, the discovery suggests additional information as to the processes going on beyond our earth, which sometimes send meteorites to us laden with diamonds; within the earth, by which reservoirs may be filled with natural gas. The discovery widens the field for the transformation of matter and increases, as well, the possibility of interpreting the secrets of the mineral world. Samuel E. T1llman, Col. U. S. A. THE reader who desires to keep in touch with current progress in the useful arts, will find, in this and subsequent issues, under the above caption, a brief presentation of some one or more recent inventions, that appear specially noteworthy for any cause, such, for example, as the brilliancy or the creative character of the discovery, or the fact that it promises to...