"N" Rays: A Collection of Papers Communicated to the Academy of Sciences, with Additional Notes and Instructions for the Construction of Phosphorescent ScreensLongmans, Green, and Company, 1905 - 83 páginas |
Dentro del libro
Resultados 1-5 de 21
Página 10
... glow of the small spark . The existence of refraction rendered that of regular reflection extremely probable ; as a matter of fact , regular reflection does take place . By means of a quartz lens , or a lens formed by a very thin horn ...
... glow of the small spark . The existence of refraction rendered that of regular reflection extremely probable ; as a matter of fact , regular reflection does take place . By means of a quartz lens , or a lens formed by a very thin horn ...
Página 14
... glow than at the neighbouring points , whether in front or behind , above or below , to the right or to the left . The distance of this focus from the lens can be determined within 3 or 4 mms . The interposi- tion 14 " N " RAYS.
... glow than at the neighbouring points , whether in front or behind , above or below , to the right or to the left . The distance of this focus from the lens can be determined within 3 or 4 mms . The interposi- tion 14 " N " RAYS.
Página 21
... glow allowed of four foci being found in a pencil which had passed through a quartz lens ; these foci are the same as those detected with the small spark . The small flame behaves therefore , in regard to " N " rays , just like the ...
... glow allowed of four foci being found in a pencil which had passed through a quartz lens ; these foci are the same as those detected with the small spark . The small flame behaves therefore , in regard to " N " rays , just like the ...
Página 22
... glow of the receiving flame . Quite recently I observed another effect of the " N " rays . It is true that these rays are unable to excite phosphorescence in bodies which can acquire this property under the action of light , but when ...
... glow of the receiving flame . Quite recently I observed another effect of the " N " rays . It is true that these rays are unable to excite phosphorescence in bodies which can acquire this property under the action of light , but when ...
Página 25
... glow is seen to diminish ; when the obstacle is removed , the glow re- appears . The extreme simplicity of this experi- ment will incite many persons , I hope , to repeat it . The only precaution one need take is to operate with a ...
... glow is seen to diminish ; when the obstacle is removed , the glow re- appears . The extreme simplicity of this experi- ment will incite many persons , I hope , to repeat it . The only precaution one need take is to operate with a ...
Otras ediciones - Ver todas
"n" Rays: A Collection of Papers Communicated, to the Academy of Sciences ... R. BLONDLOT Sin vista previa disponible - 2016 |
Términos y frases comunes
aluminium prism Answers ASTRONOMY Auer burner B.Sc black paper BOTANY BUILDING CONSTRUCTION calcium sulphide CHEMICAL Coloured Plates CONIC SECTIONS Crown 8vo D.Sc deviation Edition ELECTRICITY ELEMENTARY PRACTICAL emission Euclid Examination Papers experiments focus tube FURNEAUX GEOMETRY ground glass HEAT Hospital HYDROSTATICS Illus Illustrations and Diagrams interposed INTRODUCTION JOHN JOHN GOODMAN Lecturer light LL.D Lond London LONGMANS MAGNETISM Manual Maps measures MECHANICS Medium 8vo mica N rays N₁ Nernst lamp numerous Examples observed obtained pencil Ph.D phenomena phosphorescent phosphorescent calcium phosphorescent screen photographic PHYSICS PHYSIOGRAPHY PHYSIOLOGY plane platinum polarization Professor of Engineering Protractor quartz quartz lens R. A. PROCTOR radiations refractive refractive index rotation Royal 8vo School Science sheet of aluminium sheet of lead slit small flame small spark STEAM steel storing-up STRENGTH OF MATERIALS Students Surgeon THEORETICAL thick THORNTON tions transparent trations traversing metals University of Birmingham variations in glow vols wave-length WILLIAM wire Woodcuts
Pasajes populares
Página 36 - NOTES OF A COURSE OF SEVEN LECTURES ON ELECTRICAL PHENOMENA AND THEORIES, delivered at the Royal Institution of Great Britain, 1870.
Página 31 - A TREATISE ON THE DISEASES OF THE DOG ; being a Manual of Canine Pathology. Especially adapted for the use of Veterinary Practitioners and Students. With 88 Illustrations.
Página 36 - THE GLACIERS OF THE ALPS : being a Narrative of Excursions and Ascents. An Account of the Origin and Phenomena of Glaciers, and an Exposition of the Physical Principles to which they are related.
Página 32 - BRODIE. — THE ESSENTIALS OF EXPERIMENTAL PHYSIOLOGY. For the Use of Students. By TG BRODIE, MD, Lecturer on Physiology, St. Thomas's Hospital Medical School. With 2 Plates and 177 Illustrations in the Text. 8vo. , 6s. 6d. CHAPMAN.— -THE FORAMINIFERA : An Introduction to the Study of the Protozoa.
Página 22 - A NEW STAR ATLAS, for the Library, the School, and the Observatory, in Twelve Circular Maps (with Two Index Plates). Intended as a Companion to 'Webb's Celestial Objects for Common Telescopes.
Página 22 - LARGER STAR ATLAS FOR OBSERVERS AND STUDENTS. In Twelve Circular Maps, showing 6000 Stars, 1500 Double Stars, Nebulae, etc.
Página 22 - HALF-HOURS WITH THE STARS : a Plain and Easy Guide to the Knowledge of the Constellations. Showing in 12 Maps the position ol the principal Star-Groups night after night throughout the year.
Página 34 - LINDLEY AND MOORE. — THE TREASURY OF BOTANY. Edited by J. LINDLEY, MD, FRS, and T. MOORE, FLS With 20 Steel Plates and numerous Woodcuts. Two parts. Fcp. 8vo., I2s.
Página 15 - BALE.— A. HAND-BOOK FOR STEAM USERS; being Rules for Engine Drivers and Boiler Attendants, with Notes on Steam Engine and Boiler Management and Steam Boiler Explosions. By M. Powis BALE, MIME, AMICE Fcp. 8vo., 2s.
Página 37 - Fcp. 8vo. , 41 . 6d. INTRODUCTION TO THE STUDY OF INORGANIC CHEMISTRY. By WILLIAM ALLEN MILLER, MD, LL.D., FRS With 72 Illustrations.