Böcker av Roger Bacon

An unpublished collection of works by 13th century philosopher and scientist Roger Bacon, including his influential Opus Maius.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

Roger Bacon's 'Opus Tertium' was a seminal text in the development of modern science. In this edition, Andrew Little includes a fragment of the text that has never before been printed, shedding new light on this important figure from the 13th century.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

A compendium of unpublished works of Roger Bacon, one of the most important figures in the development of experimental science in the Middle Ages. The works cover a wide range of topics, including optics, alchemy, and astrology.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

Une exploration approfondie d'un fragment précieux de l'opus tertium de Roger Bacon, l'un des plus grands philosophes et scientifiques de l'histoire. Duhem offre une analyse minutieuse de ce fragment, éclairant les idées fascinantes de Bacon sur la philosophie, la métaphysique et la science. Un choix parfait pour les étudiants et les savants en philosophie et en histoire de la science.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

The Opus Majus is a scientific and philosophical treatise by the English Franciscan friar Roger Bacon. It covers a wide variety of topics, including mathematics, optics, alchemy, and theology. Bacon was a pioneering thinker in many fields, and this work is an important contribution to the history of science. Historians and students of science will find this work a valuable resource.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

" The operation of the alchemical elements in forty-seven revealing steps. The bodies of all natural things being as well perfect as imperfect from the original of time, and compounded of a quaternity of elements or natures, viz., fire, air, earth, water, are conjoined by God Almighty in a perfect unity. In these four elements is hid the secret of the philosophers. The earth and water give corporeity and visibility; the fire and air, the spirit and invisible power, which cannot be seen or touched but in the other two. When these four elements are conjoined, and made to exist in one, they become another thing; whence it is evident, that all things in nature are composed of the said elements, being altered and changed."

In this manuscript, inspired by the alchemical wisdom of Roger Bacon, the process of projection is unveiled. Guided by Bacon's profound understanding of the alchemical arts, we delve into the transformative powers of the red and white elixirs. As Bacon himself discovered, not all metals possess equal receptivity to these divine forces. By following Bacon's teachings, we discern the metal closest to perfection, allowing us to focus our efforts on its transmutation. Drawing upon Bacon's alchemical insights, we recognize nature's inclination for like to attract like, the key to successful projection. Through the alchemical marriage of a portion of the elixir with a thousand parts of the chosen metal, enclosed within the sacred vessel, and subjected to gradual heat over three days, the sublime fusion is achieved. In reverence to Bacon's alchemical legacy, we honor the remarkable union of science and spirituality, unlocking the secrets of transmutation.

The Mirror of Alchimy by Roger Bacon has been regarded as significant work throughout human history, and in order to ensure that this work is never lost, we have taken steps to ensure its preservation by republishing this book in a contemporary format for both current and future generations. This entire book has been retyped, redesigned, and reformatted. Since these books are not made from scanned copies, the text is readable and clear.

The Mirror of Alchimy is a short alchemical manual, known in Latin as Speculum Alchemiae. Translated in 1597, it was only the second alchemical text printed in the English language. Long ascribed to Roger Bacon (1214-1294), the work is more likely the product of an anonymous author who wrote between the thirteenth and the fifteenth centuries.

" A Prejudate eye much lessens the noblenesse of the Subject. Bacons name may bring at the first an inconvenience to the Book, but Bacons ingenuity will recompence it ere he be solidly read. ¿is as an Apology is the usher to his other Workes, which may happily breath a more free Air hereäer, when once the World sees how clear he was, from loving Negromacy. 'Twas the Popes smoak which made the eyes of that Age so sore, as they could not discern any open hearted and clear headed soul from an heretical Phantasme. ¿e silly Fryers envying his too prying head, by their crä had almost got it off his shoulders. It's dangerous to be wiser than the multitude, for that unruly Beast will have every over- topping head to be lopped shorter, lest it plot, ruine, or stop the light, or shadow its extravagancies. How famous this Frier is in the judgment of both godly and wise men, I referre you to the Probatums of such men, whose single Authorities were of sufficiency to equallize a Jury of others; and as for the Book, I refer it to thy reading. As for myself, I refer me to him, whom I serve, and hope thou wilt adore...."

Cinq Traités Alchimiques écrits par les plus Grands Philosophes.Ce livre rend justice à ces grands alchimistes de jadis en remettant leurs travaux en lumière et en les faisant revivre dans leurs oeuvres, devenues rares de nos jours. Les auteurs constituant ce recueil de traités ont été choisis avec soinsparmi les plus grands noms de l'alchimie: ARNAULD DE VILLENEUVE, RAYMOND LULLE le docteur illuminé, ALBERT LE GRAND, embrassant tout dans sa vaste érudition, ROGER BACON le docteur admirable, devançant son époque et substituant l'expérience et l'observation aux divagations des scolastiques, et enfin le grand PARACELSE, bouleversant les vieilles théories, alliant l'alchimie à la médecine, jamais homme n'eut une plus grande influence sur son siècle.Les traités les plus importants sont traduis ici pour la première fois en français. Quant à la traduction, elle est aussi exacte que possible; les passages obscurs sont rendus mot à mot. La matière première de la pierre philosophale est le Mercure des philosophes et l'alchimie est la mère de la chimie et des sciences modernes.

Comprises two of Roger Bacon's works 'De multiplicatione specierum' and 'Dc speculis comburentibus'. Original Latin text with matching English translation.

Un fragment inédit de l'Opus tertium de Roger Bâcon, précédé d'une étude sur ce fragment, par Pierre Duhem, ...Date de l'édition originale: 1909Contient une table des matièresAvec mode texteLe présent ouvrage s'inscrit dans une politique de conservation patrimoniale des ouvrages de la littérature Française mise en place avec la BNF. HACHETTE LIVRE et la BNF proposent ainsi un catalogue de titres indisponibles, la BNF ayant numérisé ces oeuvres et HACHETTE LIVRE les imprimant à la demande. Certains de ces ouvrages reflètent des courants de pensée caractéristiques de leur époque, mais qui seraient aujourd'hui jugés condamnables. Ils n'en appartiennent pas moins à l'histoire des idées en France et sont susceptibles de présenter un intérêt scientifique ou historique. Le sens de notre démarche éditoriale consiste ainsi à permettre l'accès à ces oeuvres sans pour autant que nous en cautionnions en aucune façon le contenu. Pour plus d'informations, rendez-vous sur www.hachettebnf.fr

The Opus Majus of Roger Bacon (c.1214-92) is one of the most influential scientific and philosophical texts of its age and arguably the high point of medieval knowledge of the physical sciences. In the work Bacon makes a plea for the reform of education, emphasizing the rightful role of the sciences in the university curriculum and the interdependence of the various disciplines.Prepared in 1267 at the request of Pope Clement IV, the treatise is a collection of ideas, an encyclopedia of knowledge embracing all science, including language, logic, optics, mathematics, moral philosophy, and physics.