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Transactions of the Wagner Free Institute of Science of Philadelphia
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 was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.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.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. 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.
Wagner Free Institute of Science of Philadelphia
Excerpt from Wagner Free Institute of Science of Philadelphia: Annual Announcement, Sixty-Sixth Year, Philadelphia, 1913 In 1885, by the death of the founder, the care of the Institute passed entirely into the hands of a Board of Trustees, and since then many improvements have been made in the building, and extensive additions to its equipment in the museum and library and in scientific apparatus. In 1901. A wing was built for the use of a branch of the Free Library of Philadelphia. The lecture-room is capable of seating about six hundred persons and is equipped with excel lent lecture facilities. The collection oi physi cal apparatus comprises many oi the older forms which have historic int...
Wagner Free Institute of Science of Philadelphia, Annual Announcement, 1915: Sixty-Eighth Year (Classic Reprint)
Excerpt from Wagner Free Institute of Science of Philadelphia, Annual Announcement, 1915: Sixty-Eighth Year In 1885, by the death of the founder, the care of the Institute passed entirely into the hands of a Board of Trustees, and since then many. Improvements have been made in the building, and extensive additions to its equipment in the museum and library and in scientific apparatus. In 1901 a wing was built for the use of a branch of the Free Library of Philadelphia. The lecture - room is capable of seating about six hundred persons and is equipped with excel lent lecture facilities. The collection of physi cal apparatus comprises many oi the older forms which have historic interest and a...
Wagner Free Institute of Science of Philadelphia
Excerpt from Wagner Free Institute of Science of Philadelphia: Annual Announcement, Sixty-Fifth Year, Philadelphia, 1912 Reflection. 'law of Reflection. Mirrors and Diffusing Surfaces. Plane Mirrors. 5. Friday, January 31. Reflection (continued). Curved Mirrors. Principal Focus, Conjugate Foci and Center of Curvature. Images: Real and Apparent. 6. Friday, February 7. Refraction. Passage of Light to Denser and to Rarer Media. Index of Refraction. The Angle of Total Reflection. 7. Friday, February 14. Refraction (continued). Lenses and Prisms. Principal Focus and Conjugate Foci of Lenses. Images by Lenses. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classi...
Wagner Free Institute of Science of Philadelphia Annual Announcement
Excerpt from Wagner Free Institute of Science of Philadelphia Annual Announcement: Seventy Second Year, 1919 The Wagner Free Institute of Science owes its establishment to the liberality and public spirit of William Wagner and his wife, Louisa Binney Wagner. In his early life Professor Wagner made extensive voyages in the service of Stephen Girard, and had opportunities to visit scientific institutions and make the ac quaintance of scientific workers. He soon developed a strong interest in the natural sciences, especially geology and mineralogy, and devoted a large part of his life to studying these topics and collecting material to illustrate the teaching of them. About the Publisher Forgot...
