Philosophical Magazine

according acid action amount angle appear atmosphere attraction axis bands become body calculated called carbonic cause cent centre circle colour compared condition considerable considered constant contains continued corresponding currents curve described determined direction distance earth effect electric equal equation existence experiments expression fact feet force formula four give given glass gravity greater grooves heat Hence inch increase known less light limit lines mass matter means measured method mortality motion observations obtained occur original parallel pass period plane plate portion position present pressure prism probably produced quantity question rays reasoning reference remarkable represented resistance respect seen shown side solid solution spectra spectrum sphere stars supposed surface Table taken temperature theory tion unit vapour volume