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Dr W M Hicks on the MichelsonMorley Experiment
Mr R F DArcy on the Decomposition of Hydrogen Per
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absorption acid aluminium angle apparatus atoms axis bands bulb calculated capacity carbon dioxide carbonic acid centimetre centre circuit coefficient coil colour condenser connexion constant copper curve cylinder deflexion denote density determined diameter dielectric dielectric constant distance effect electric electrions electrometer electromotive force equation equilibrium ether expansion experiments film force formula galvanometer given gives glass heat hydrogen increase investigation ionization ions J. J. Thomson length light lines liquid magnetic magnetic field maximum mean measured mercury metals method millimetres mirror molecule negative ions number of ions observations obtained oscillator paper paraffin parallel particles Phil plane plate platinum polarization position pressure prism produced Prof radius ratio rays readings refraction refractive index resistance resonator selenium shown sodium solution spectrum spheres surface Table temperature tetrahedron theory thick tube vapour velocity vibrations volume wave-length waves wire zinc