d upon man.—The Hduca- of France, which he called ‘‘ Oroheliograph.” In a few Ee tional Weekly. LZ words, it consists of a eamera, the place of the ground glass ——_—___———+-0+-e______ forming the base, and the lens looking up perpendicularly WATER HEATER FOR BATHS. to the sky. Over the lens is… … For the analysis of milk, Professor Lehmann, The prepared side of the paper must be then of Munich, proposes the following: A weighed quantity, drawn gently (for a few seconds) over a tolerably strong so- say 9 or 10 grammes of milk, is diluted with an equal weight lution of red prussiate of…
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