moving which Finally it was noticed that in washing the gold pre- up or down, the angle at which the fans are set can be cipitate obtained by sulphur dioxide from a solution of readily changed. This can be quickly done while the a previous precipitate thrown down by cobalt, the red fan is in motion… … ————_—_—_—— + 0 AN IMPROVED MOTOR FOR LIGHT WORK. soluble in the cold in a 27 per cent hydrogen chloride THE NEW SYRACUSE FAN. solution. With excess of acid, the chloride is green, A device whereby power may be conveniently trans- but the neutral chloride is white and gives with water mitted for…
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