enerally designated as gold-plated recording gauges, every alternate instru- mind of the physicist, notwithstanding he may think "electric," or more precisely "electro-magnetic," are ment being provided with an electric light. On one or say that it is an imperfect optical instrument, for- energy… … Bread made with Soap. tive to the smallest changes of voltage. The mark- THE WOBLD'S COLUMBIAN EXPOSITION-THE BEISTOLS' ing arm, F, is attached directly to the spring, E, and From a communication read to the Association of MANUFACTUBING COMPANY'S EXHIBIT OF BECOED- Belgian Chemists, it seems that…
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