THE MOORE & WHITE CO. PHILADELPHIA, PA., U. S. A. Paper-making Machinery Builders of Friction Clutch Pulleys Variable Speed Changes THE ALUMNI ASSOCIATION OF THE FRANKLIN INSTITUTE is always glad to refer inquiries for engineers, draftsmen, etc., to its members. Since its organization, the association has received many such requests and several past graduates of The Franklin Institute School of Mechanic Arts have been recommended to fill positions. Library of The Franklin Institute A most complete scientific and technical collection Electricity, chemistry, geology, mining and metallurgy, mechanics and engineering, physics, etc. Bound files of the leading technical magazines of all countries. Complete sets of the publications of the principal scientific societies of the world. United States and foreign patent reports. Translations The Library is prepared to undertake a limited of references, translations and copying from English, Inquiries relating to the Institute and applications for membership SECRETARY OF THE INSTITUTE 13, 15, 17 South 7th Street Your courtesy in mentioning the Journal will be appreciated iv WILLIAM SELLERS & CO. INCORPORATED PHILADELPHIA, PA. Modern Machine Tools TOOL-GRINDING MACHINES High-Speed Traveling Cranes, Swing Cranes, &c. COAL and ASHES CONVEYORS of the correct type are the most efficient and economical means of handling and storing at the Power Plant. THE PECK Overlapping Pivoted Bucket CARRIER is the most popular of the Pivoted Bucket Conveyors. Successful installations are numbered in the hundreds-the total length in use would exceed 20 miles in length. Handles coal and ashes at lower cost per ton than any other type of conveyor. Peck Carrier Book No. 120 not only shows the construction and actual photographic installations, but gives the reasons for its superiority over all other types. Sent upon request. PIG IRON, BASIC OPEN HEARTH STEEL BILLETS, HEAVY SHEARED PLATES Locomotive Jacket, Blue Annealed, Bath Boiler, Swede and Norway Sheets. "A. W." Diamond and "A. W." Ribbed Pattern Rolled Steel Floor Plates New York Office 50 Church Street Sizes Furnished on Application MORRIS BUILDING Philadelphia 1421 CHESTNUT STREET Your courtesy in mentioning the Journal will be appreciated JOSEPH S. KEEN, JR., Pres't & Gen'l Manager H. BAYARD HODGE, Sec'y & Treas. W. H. ROTH, Ass't Sec'y & Ass't Treas. American Pipe and Construction Company Engineers and Contractors 112 North Broad Street Apparatus for the measurement of resistance, capacity and inductance. Temperature measuring devices. Cable testing apparatus. Electrical measurements laboratories equipped. |