Nature, Volume 61

acid action appears body British carried cause chemical chemistry collection College complete connection considerable considered contains course dealing described determined direction discussion effect electric Engineers evidence exhibited existence experiments fact further give given illustrated important Institute interest knowledge known laboratory land less light lines London matter means measure meeting meteors method miles nature North notice November observations obtained original passed period photographs physical plants plate position possible practical present probably produced Prof question received recent recorded reference regard relation remarks represented Royal scientific seen Society South species stars surface taken temperature theory tion University various volume whole