The London, Edinburgh and Dublin Philosophical Magazine and Journal of ScienceTaylor & Francis, 1904 - English periodicals |
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Page 3
... becomes infinite . To examine the case in which the thickness of the retarding * Encyclopædia Britannica ' and ' Collected Works , ' vol . iii . p . 133 . - Fig . 2 . Bs plate is not that B 2 Explanation of Talbot's Bands . 3.
... becomes infinite . To examine the case in which the thickness of the retarding * Encyclopædia Britannica ' and ' Collected Works , ' vol . iii . p . 133 . - Fig . 2 . Bs plate is not that B 2 Explanation of Talbot's Bands . 3.
Page 4
... become black again , and we return to the best retarda- tion , but with a reduced aperture , and consequently a reduced resolving power . The introduction of these screens does not alter the width of the bands ; but these will be ...
... become black again , and we return to the best retarda- tion , but with a reduced aperture , and consequently a reduced resolving power . The introduction of these screens does not alter the width of the bands ; but these will be ...
Page 21
... becomes southerly , and so continues till it disappears . The extreme difference of the deflexions at the northern and southern edges of the plain will thus be about 26 " , and in the meridian 20 " . In the table following p . 14 of the ...
... becomes southerly , and so continues till it disappears . The extreme difference of the deflexions at the northern and southern edges of the plain will thus be about 26 " , and in the meridian 20 " . In the table following p . 14 of the ...
Page 28
... becomes worthless . The use of carbon electrodes overcomes this difficulty entirely . Fig . 1 . selenium mica carbon k - 5mmá 15 mm ---- -25mm-- -5mm carbon 1.772772 . 4mm . 2.8mm . 5mm 1.8mm . 0.8mm . The above sketch ( fig . 1 ) ...
... becomes worthless . The use of carbon electrodes overcomes this difficulty entirely . Fig . 1 . selenium mica carbon k - 5mmá 15 mm ---- -25mm-- -5mm carbon 1.772772 . 4mm . 2.8mm . 5mm 1.8mm . 0.8mm . The above sketch ( fig . 1 ) ...
Page 34
... become absolutely opaque , had received numerous cracks , and had drawn itself away from the glass completely . However , by pressing out some molten selenium between two glass plates into a layer about 1 mm . in thickness 34 Mr. A. H. ...
... become absolutely opaque , had received numerous cracks , and had drawn itself away from the glass completely . However , by pressing out some molten selenium between two glass plates into a layer about 1 mm . in thickness 34 Mr. A. H. ...
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absorption æther aggregate Aleph alternating current ampere angle anode antenna apparatus arrangement atom basalt calculated canal rays cardinal number cathode rays cell cent charge colours conductivity connexion constant corpuscles corresponding curve cylinder Dattenberg deflexion density diameter direct current direction distance doublet electric electrodes electrometer emanation emission energy equal equation excited activity experiments galvanometer gases given glass heating effect hydrogen increase ionization ions isostacy J. J. Thomson length light liquid magnetic maximum means measured mercury mercury vapour metal method molecules negative number of corpuscles observed obtained ordinal oscillations paper particles Phil plane plate platinum polarization position potential pressure produced Prof radiation radioactivity radium radium bromide reflecting-power resistance ring rotation selenide selenium shown surface temperature theory thickness tube velocity vibration volts wave-length waves wire