E- is not interfered with. The jointed wafers-form a lens-shaped central space in which the powders are containedand held securely enclosed by the wafers. Any medicament taken in the form of a powder may bemade up in this manner, and kept on hand for any length oftime without deterioration.… … The armature wheel of the magnetic engine is employed inthe place of the driving wheel of the foot power for tcunnin Iilgbtnlng Rods. The committee appointed by the Prefect ofthe Seine to superintend the construction oflightning conductors in Paris has been changedinto a permanent one. A sum of…
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