BENJAMIN JOWETT. BENJAMIN JOWETT. A Wonderful Lighthouse. STEAM VALVES ETC AT THE FAIR. A Foreigner's Impression of America. PROFESSOR HELMHOLTZ. HERMANN VON HELMHOLTZ. THE WORLD'S COLUMBIAN EXPOSITION—EXHIBIT OF THE ROE STEPHENS MANUFACTURING COMPANY. Lighting of the Broadway Cable Cars., scientific american, 1893-10-14

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