Nature, Volume 95

amount appears applied Association British carried cause cent changes chemical chemistry collection College complete connection considerable contains course deals described determined direction discussion early effect electric Engineering evidence experiments fact field German given gives glass Government heat History illustrated important increase industry INSTITUTION interesting known laboratory less light lines London manufacture March material matter means measure method Museum nature observations obtained origin period physical plants position possible practical present pressure Price probably problem production Prof published question received recent records reference regard relation Royal School scientific Society South species stars suggested supply surface taken temperature tests theory tion University various volume whole