Journal of the Society of Arts, Volumen30

A. W. WILLIAMSON amount apparatus application Argand burner Bill Burlington-house burner C. E. WEBBER calcium candles CANTOR LECTURES carbon cell CHAIRMAN China Chinese clocks coal coal gas colony colour Commissioners cost Court cubic feet effect electric light electromotive force emulsion energy engine England Exhibition experience exports fact flame foreign forest Frederick Bramwell give glass Government Gramme machine heat illuminating power important increased India industry invention inventor Ireland iron John-street lamp larvæ lathe lighthouses lime London machine manufacture matter means ment Messrs metal Newfoundland obtained opium ordinary paper Paris patent Photographic pipes plant plates practical present pressure produced proposed quantity question railway regard result Royal Rutherford Alcock schools silk silver Society of Arts splenic fever steam supply temperature thought tion trade trees W. K. BURTON wire Zealand دو