"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 |
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Página 16
... the rays , and not by the rays themselves , these latter producing no appreciable photographic effect after an hour's exposure . Amongst the bodies which are traversed , I may mention tinfoil , sheets of copper and brass 0'2 16 " N " RAYS.
... the rays , and not by the rays themselves , these latter producing no appreciable photographic effect after an hour's exposure . Amongst the bodies which are traversed , I may mention tinfoil , sheets of copper and brass 0'2 16 " N " RAYS.
Página 22
... exposure to sunlight , if it is then exposed to " N " rays — for instance , to one of the foci produced by a quartz lens - the phosphorescent glow is observed to increase in a very marked fashion ; neither the production nor the ...
... exposure to sunlight , if it is then exposed to " N " rays — for instance , to one of the foci produced by a quartz lens - the phosphorescent glow is observed to increase in a very marked fashion ; neither the production nor the ...
Página 24
... exposed to the sun . This is shut by interior , opaque panels of oak , 15 mms . thick . Behind one of these panels , at any distance- I metre , for instance - a thin glass tube is placed , containing a phosphorescent substance , say ...
... exposed to the sun . This is shut by interior , opaque panels of oak , 15 mms . thick . Behind one of these panels , at any distance- I metre , for instance - a thin glass tube is placed , containing a phosphorescent substance , say ...
Página 25
... exposed for a short time to solar rays . If , now , on the path of the solar rays , which are supposed to reach the tube through the wood , a sheet of lead , or the hand simply , is inter- posed , even at a great distance from the tube ...
... exposed for a short time to solar rays . If , now , on the path of the solar rays , which are supposed to reach the tube through the wood , a sheet of lead , or the hand simply , is inter- posed , even at a great distance from the tube ...
Página 30
... exposure to the sun , its glow was greatly increased , but was diminished by the interposition of a lead screen or the hand . M. H. Rubens made the same observation , as he was kind enough to write me , his apparatus being much more ...
... exposure to the sun , its glow was greatly increased , but was diminished by the interposition of a lead screen or the hand . M. H. Rubens made the same observation , as he was kind enough to write me , his apparatus being much more ...
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"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
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