A Treatise on Optics
fr\ ^ fa a itihm 1 &*>•' ' $ National Library of Medicine FOUNDED 1836 Bethesda. Md. U. S. Department of Health, Education, and Welfare PUBLIC HEALTH SERVICE TREATISE ON OPTICS. SIR DAVID BREWSTER, LL.D.,F.R.S. L.&E. CORRESPONDING MEMBER OF THE INSTITUTE OF FRANCE, HONORARY MEMBER OF THE IMPERIAL ACADEMY OF PETERSBURG, AND OF THE ROYAL ACADEMY OF SCIENCES OF BERLIN, STOCK- HOLM, COPENHAGEN, GOTTINGEN, &.C. &C. FIRST AMERICAN EDITION WITH AN APPENDIX, CONTAINING AN ELEMENTARY VIEW OF THE APPLICA- TION OF ANALYSIS TO REFLEXION AND REFRACTION, BY A. D. BACHE, A. M. PROFESSOR OF NAT. PHILOS. AND CHEMISTRY IN THE UNIVERSITY OF PENNS1 LVAHIA, ONE OF THE SECRETARIES OF AM. PHILOS. SOC, MEM. ACAD. NAT. SC, HON. MEM. ASSOCIATE SOC. OF NEWPORT, R. I. |3I)iIa&eIpJ)ta : CAREY, LEA, & BLANCHARD—CHESNUT STREET. 1833. /$33 www mm uww of BEltSSDA W. MD- NOTE BY THE AMERICAN EDITOR. Iy object in undertaking the revision of the Treatise a Optics by Dr. Brewster was, principally, to introduce an Appendix, containing such a discussion of the subjects of Reflexion and Refraction, as might adapt the work to use in those of our colleges in which considerable exten. sion is given to the course of Natural Philosophy. In this revision, I have thought it best, without specially calling the attention of the reader to them, to correct such errors as my comparatively limited knowledge of the subject assured me, would not have been passed over by the author in a second Edition. A. D. BACHE. Philadelphia, Jan., 1833. CONTENTS. Introduction Page 11 PART I.
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