SAVES WEIGHT AND INCREASES SPEED OF VESSEL. Straight Inclined Tubes, with Water Level Above Their Upper Ends. "SUN EVAPORATOR." × 10 Easily kept clean. Makes up water lost in engine. "HYDRO PNEUMATIC WORK OF DISCHARGING ASHES DONE IN FIRE ROOM. AVOIDS DUST AND NOISE. LIGHTENS LABOR. SAVES COAL. DOES NOT INJURE PAINT. BETTER ATTention giveN TO FIRES. LESS WASTE OF COAL. COSTS LESS FOR REPAIRS THAN OLD METHODS. WORK CAN BE DONE IN PORT BY DISCHARGING THE ASHES UPON A SCOW ALONGSIDE THE VESSEL. SOLE MANUFACTURER UNDER THE PATENTS. HORACE SEE, No. 1 BROADWAY, NEW YORK. ORFORD COPPER CO. ROBT. M. THOMPSON, PRESIDENT. 37 WALL ST., NEW YORK. COPPER INGOTS, WIRE, BARS AND CAKES. FERRO-NICKEL AND FERRO-NICKEL OXIDES FOR USE IN PREPARING NICKEL STEEL WATERBURY, CONN. U. S. A. SHEET BRASS, COPPER, AND NICKEL SILVER, FOR CARTRIDGE SHELLS AND BULLET Covers. COPPER AND GERMAN SILVER WIRE FOR ELECTRICAL PURPOSES. GILT BUTTONS FOR THE ARMY AND NAVY. COLUMBIAN UNIVERSITY, CORCORAN SCIENTIFIC SCHOOL, WASHINGTON, D. C. Courses in general chemistry, qualitative and quantitative analysis are now open. Instructions will be given in wet and dry assaying. The department is unusually well equipped for this work. Instruction in modern methods of iron and steel analysis will be given as a special course to properly qualified students. Special instruction in the chemistry of explosive substances is offered to officers of the army, navy and militia. Particular attention will be given to providing facilities for research work for post-graduate students who are candidates for the degrees of master or doctor in science or philosophy. Courses in civil and electrical engineering, astronomy, architecture, designing, geology, meteorology and natural history are given in other departments of the school. CHARLES E. MUNROE, Professor of Chemistry, This line of goods formerly furnished by SCOVILL MANUFACTURING COMPANY, (and now supplied by The Scovill & Adams Company, successors to the Photographic Department of Scovill Manufacturing Company), is extensively employed by the various Government Departments in fitting out Expeditions, Explorations, Geographical and Coast Surveys, etc., and preference is invariably given to the CAMERAS OF THE AMERICAN OPTICAL COMPANY, which are of superior design and workmanship. They make HAND CAMERAS and LANDSCAPE CAMERAS in varieties of styles. DRY PLATES of all the leading makes, SENSITIZED PAPERS and Photographic Requisites of all kinds. Send for specimen copy of THE PHOTOGRAPHIC TIMES. Catalogues, estimates and information cheerfully supplied on application. Correspondence solicited. The Scovill & Adams Co. W. IRVING ADAMS, Pres. and Treas. 423 Broome Street, |