The London, Edinburgh and Dublin Philosophical Magazine and Journal of Science

acid action æther angle atmosphere atoms attraction axis calculated carbon carbonic acid Cartesian ovals centre of gravity Chillesford circle compounds conic constant curve deflection density determined diameter direction distance double variations earth effect electric equal equation equinox experiments fact focal cubic foci focus formula galvanometer Gay-Lussac's law given glass heat disengaged Hence horizontal force hydrogen hyperbola ice-cap inches induced current intensity invisible rays lines magnetic magnitude mass maximum mercury metre millims minimum deviation motion needle observations obtained orbit parallel particles phosphorus photosphere plane plate position pressure principal current prism produced quantity rays red phosphorus represented resistance result rotation saturated solar solution specific gravity spectra spectrum sphere supposed surface temperature theorem theory tion tube twisted Cartesian vapour variations velocity vernal equinox