1 6 GENERAL SCIENTIFIC WORKS. 



TYNDALL WORKS by JOHN TYNDALL, F.R.S., frt. 

 FRAGMENTS OF SCIENCE. 2 Vols. Crown Svo, i6s. 



NEW FRAGMENTS. Crown 8vo, ior. 6el. 



HEAT A MODE OF MOTION. Crown 8vo, 12*. 



SOUND. With 204 Woodcuts. Crown Svo, ior. 6d. 



RESEARCHES ON DIAMAGNETISM AND MAGNE-CRYS- 

 TALLIC ACTION, including the question of Diamagnetic Polarity. 

 Crown Svo, \2s. 



ESSAYS ON THE FLOATING-MATTER OF THE AIR 

 in relation to Putrefaction and Infection. .With 24 Woodcuts. Crown Svo, 

 7*. 6J. 



LECTURES ON LIGHT, delivered in America in 1872 and 1873. 

 With 57 Diagrams. Crown Svo, 5^. 



LESSONS IN ELECTRICITY AT THE ROYAL INSTITU- 

 TION, 1875-76. With 58 Woodcuts. Crown Svo, 2s. 6d. 



NOTES OF A COURSE OF SEVEN LECTURES ON 

 ELECTRICAL PHENOMENA AND THEORIES, delivered at 

 the Royal Institution. Crown Svo, if. sewed, is. 6d. cloth. 



NOTES OF A COURSE OF NINE LECTURES ON LIGHT, 



delivered at the Royal Institution. Crown Svo, is. sewed, is. 6d. cloth. 



WATTS' DICTIONARY OF CHEMISTRY. Revised and entirely 

 Re-written by H. FORSTER MORLEY, M.A., D.Sc., Fellow of, and lately 

 Assistant-Professor of Chemistry in, University College, London ; and M. M. 

 PATTISON MUIR, M.A., F.R.S.E., Fellow, and Prselector in Chemistry, 

 of Gonville and Caius College, Cambridge. Assisted by Eminent Contributors. 

 To be Published in 4 Vols. Svo. Vols. I. II. 42.?. each. Vol. III. 50*. 



[Now ready. 



WEBB. CELESTIAL OBJECTS FOR COMMON TELESCOPES. 



By the Rev. T. W. WEBB, M.A. Fourth Edition, adapted to the Present 

 State of Sidereal Science ; Map, Plate, Woodcuts. Crown Svo, price 9.5. 



WILLIAMS. MANUAL OF TELEGRAPHY. By W. WILLIAMS, 



Superintending Indian Government Telegraphs. With 93 Woodcuts. Svo, 



WRIGHT. OPTICAL PROJECTION : A Treatise on the Use of the 

 Lantern in Exhibition and Scientific Demonstration. By LEWIS WRIGHT, 

 Author of "Light: a Course of Experimental Optics." With 232 Illustra- 

 tions. Crown Svo, 6s. 



BRADBURY, AGNKW, & CO. LD., PRINTERS, WHITEFR1ARS. 



