Annual Record of Science and Industry, Volume 5

acid æther algæ American ammonia amount anemometer aperture apparatus appears astronomers atmosphere barometer Bessemer process body carbon carbonic acid cent chemical Chlorophyl co-efficient coast color comet conclusion connection containing crystals described determined diameter diatoms diminishes disk distance double stars effect electric employed experiments fact feet flame galvanometer gases gives glass gonidia heat hydrochloric acid hydrogen ical inches increase instrument intensity interesting investigations iron Island John Herschel known larvæ latter light liquid magnetic means ment mercury metal method microscope miles molecules movement North observations observatory obtained orbit Otto Struve oxide paper phenomena photometers plate portion present pressure produced Professor published quantity rays recently region River salt Silurian Society solar solution species spectrum stars stations substance sulphuric sulphuric acid surface temperature theory thermometer tion tons tube vapor velocity vibrations