HAINES, R. B., JR. Automatic Micrometer Gauge for Hot Metal.-1896. HALLANAN, M. Horseshoe and Pad.-1896. HALLBERG, J. H. Current System for Trunk Line Railways.—1906. HANSON, FREEMAN. Wood Turning Machine.-1891. HARBOLSHEIMER, J. Garbage Box.-1894. HAVARD, OLIVER D. Coal Meter.-1918. HAYS, CHARLES AND JOSEPH. CO2 and Draft Recorder.-1920. HILL, EDGAR. Caliper Measuring Device.-1903. INTERNATIONAL BURGLARY IMMUNITY COMPANY, THE. KINNEY, R. D. Internal Fired Water Tube Boiler.-1899. LANCE, W. L. Utilizing Oil Cloth Waste.-1888. LAND, S. Sash Cord Fastener.-1886. LANDAU, DAVID, AND Parr, PERCY H. "A New Theory of Plate Springs" (Paper).—1920. MCCHESNEY, R. Improvement in T Squares.—1893. MCINTYRE COMPANY. Electric Wire.-1893. MORSE, W. F., AND COMPANY. Household Garbage Carbonized.—1895. NABER, H. A. Gas Voltameter.-1895. NATIONAL NUTRIENT COMPANY. Nutrium, a New Food Products.-1902. NEUMEYER, H. F. Spray Nozzle.-—1895. PARR, PERCY H., AND LANDAU, DAVID. “A New Theory of Plate Springs" (Paper).—1920. PARVIN, A. B. Tele-photo Lens.-1895. PHELPS COMPANY, THE. Hylo-Incandescent Lamp.-1903. PITTSBURGH BLUE PRINT COMPANY. Improvements in Blueprinting.-1902. REGAN GRATE BAR COMPANY, Improvement in Grates.-1900. RIDGWAY, E. B. Steam Hydraulic Elevator.-1914. RINN, J. J. Tent Fastening.-1904. ROBINSON, CYRUS R. Improved Fire Nozzle.-1905. ROLIN, CHARLES W. Adjustable and Interchangeable Grate.-1918. SADTLER, J. P. B. Water Heater for Range Boilers.-1900. SCHENCK, W. T. Y. Improvement in Hose Reels.-1893. SHEAF, PHILip A. Circle Drawing Attachment for Microscopes.-1916. SIMPSON, W. L. Steam Separator.-1894. STEIN, F. J. An Improvised and Simplified System of Pitman Phonography.-1904. SWEETLAND, ERNEST J. Metallic Filter Cloth.-1918. SWETT AND LEWIS COMPANY. Static Machine for X-Ray Apparatus.-1899. TUCKFIELD, C. B. Stove Pipe Anchor.-1896. UNIVERSAL FIRE ALARM COMPANY. Automatic Safety Device for Electric Circuits.-1897. Chimney for Incandescent Lamp Burners.-1898. WICKERSHAM, W. Printers' Quoin.-1894. WILKES, M. Automatic Cut-Off for Slide Valve Engines.-1889. YALE AND TOWNE MANUFACTURING COMPANY. Blount Door Check.-1902. TERMS AND PRIVILEGES OF MEMBERSHIP The members of the Institute are divided into the following classes, viz.: Resident Members, Stockholders, Life Members, Permanent Members, Non-resident and Associate Members. Any one interested in the purposes and objects of the Institute and expressing a willingness to further the same may become a member when proposed by a member in good standing and elected by the Board of Managers. Terms.-Resident members pay Fifteen Dollars each year. The payment of Two Hundred Dollars in any one year secures Life Membership, with exemption from annual dues. Stock.-Second-class stockholders pay an annual tax of Twelve Dollars per share, and the holder of one share is entitled by such payment to the privileges of membership. Privileges. Each contributing member (including non-residents) and adult holder of second-class stock is entitled to participate in the meetings of the Institute, to use the Library and Reading Room, to vote at the Annual Election for officers, to receive tickets to the lectures for himself and friend, to attend the Section meetings and to receive one copy of the JOURNAL free of charge, except associate members, who may not take part in elections. Permanent Members.-The Board of Managers may grant to any one who shall in any one year contribute to the Institute the sum of One Thousand Dollars a permanent membership, transferable by will or otherwise. Non-resident Members.-Newly elected members residing permanently at a distance of twenty-five miles or more from Philadelphia may be enrolled as Non-resident Members, and are required to pay an entrance fee of Five Dollars, and Five Dollars annually. Non-resident Life Membership, $75.00. Contributing members, if eligible, under the non-resident clause, on making request therefor, may be transferred to the non-resident class by vote of the Board of Managers, and are required to pay Five Dollars annually. Associate Members.-Associate members are accorded all the privileges of the Institute, except the right to vote or hold office, upon the payment of annual dues of Five Dollars. This class of membership is limited to persons between the ages of seventeen and twenty-five years. Upon reaching the age limit they become eligible to the other classes of membership. Resignations must be made in writing, and dues must be paid to the date of resignation. MEMBERSHIP DIRECTORY. HONORARY MEMBERS. Brigadier General JAMES ALLEN, U.S.A. (Retired), Army and Navy Club, Washington, D. C. Colonel GEORGE L. ANDERSON, U.S.A. (Retired), Army and Navy Club, Washington, D. C. Prof. SVANTE AUGUST ARRHENIUS, Nobel Institute, Stockholm, Sweden. Colonel JOHN J. CARTY, American Telephone and Telegraph Company, 195 Broadway, New York City, New York. Prof. CHAS. F. CHANDLER, Columbia University, New York City, New York. Sir JAMES DEWAR, The Royal Institution, London, W. 1., England. Mr. THOMAS A. EDISON, Orange, New Jersey. Prof. GEORGE FORBES, No. 11 Little College St., Westminster, S. W., London, England. Prof. HENDRIK A. LORENTZ, Zylweg 76, Haarlem, Holland. Senator GUGLIELMO MARCONI, 31 Via Garibaldi Gianicolo, Rome, Italy. Dr. T. C. MENDENHALL, Ravenna, Ohio. Rear Admiral JOSEPH B. MURDOCK, U.S.N. (Retired), Danbury, N. H. Prof. HEIKE KAMERLINGH ONNES, University of Leiden, Leiden, Holland. Hon. Sir CHARLES A. PARSONS, 6 Windsor Terrace Newcastle-On-Tyne, England. Mr. RALPH W. POPE, 570 Cherry Street, Elizabeth, New Jersey. Prof. THEODORE WM. RICHARDS, Wolcott Gibbs Memorial Laboratory, Harvard University, Cambridge, Massachusetts. Major-General GEORGE OWEN SQUIER, War Department, Washington, D. C. Rear Admiral DAVID WATSON TAYLOR, Bureau of Construction and Repair, Navy Department, Washington, D. C. Prof. WM. CAWTHORNE UNWIN, Palace Gate Mansions, Kensington, London, England. CORRESPONDING MEMBERS. Prof. A. S. EVE, McGill University, Montreal, Canada. Prof. CHAS. FABRY, I Rue Clapier, Bouches-du Rhone, Marseille, France. Mr. T. COMMERFORD MARTIN, 29 West 39th Street, New York City, New York. Mr. ISAAC B. THORN. IN MEMORIAM. MEMBERS. ABBOTT, ROBERT R., Metallurgical Engineer, The Peerless Motor Car Company, Cleveland, Ohio. ACHESON, EDWARD G., Manufacturer, Acheson Corporation, Æolian Building, 35 West 43d Street, New York City, New York. ADAMS, HOWARD L., Managing Director, Keystone Institute, Reading, Pennsylvania. ADDICKS, WALTER R., Vice President. Consolidated Gas Company of New York, 130 E. 15th Street, New York City, New York. ADRIANO, FELIPE T., Industrial Chemist, Malolos, Bulakan, Philippine Islands. AKELEY, CARL E., Taxidermist and Sculptor, American Museum of Natural History, 77th AKIMOFF, NICHOLAS W., Mechanical and Hydraulic Engineer, 1013 Harrison Building, Philadelphia, Pennsylvania. ALBRECHT, A. C., Vice President, North Brothers Manufacturing Company, Lehigh Avenue and American Street, Philadelphia, Pennsylvania. ALLAN, ANDREW, JR., Manufacturer of Bearing Metals, Harrison, New Jersey. ALLEMAN, GELLERT, Professor of Chemistry, Swarthmore College, and for mail, 8 Whittier Place, Swarthmore, Pennsylvania. ΙΟΙ ALLEN, HENRY B., Metallurgical Engineer, 8112 St. Martins Lane, Chestnut Hill, Philadelphia, Pennsylvania. ALLEN, JAMES, Brigadier General, U.S.A., Army and Navy Club, Washington, D. C. ALLEN, WILLIAM N., Retired Chemical Manufacturer, 557 Church Lane, Germantown. ALLIGER, WILLIAM T., Chemical Engineer, Harrison Safety Boiler Works, 17th Street and Allegheny Avenue, Philadelphia, Pennsylvania. ALSBERG, CARL L., Chief, Bureau of Chemistry, U. S. Department of Agriculture, Washington, D. C. AMRAM, PHILIP WERNER, Student, 4000 Pine Street, Philadelphia, Pennsylvania. ANDERSON, ROBERT J., Metallurgical Engineer, U.S. Bureau of Mines, Experiment Station, ANDREWS, W. S., Consulting Electrical Engineer, General Electric Company, Schenectady New York. ANGERER, VICTOR, Vice-President, Taylor-Wharton Iron and Steel Company, P. O. Box 161. Ridley Park, Pennsylvania. APPELBAUM, ALAN I., Chemist, P. O. Box 808, Trenton, New Jersey. ARMSTRONG, WILLIAM R., Clerk, Powers-Weightman-Rosengarten Company. Philadel phia, Pennsylvania. ARRHENIUS, Svante AUGUST, Professor, Nobel Institute, Stockholm, Sweden. ASHBROOK, DONALD S., Chemist, 2404 Willard Street, Wilmington, Delaware. ASHMEAD, FRANK M., Civil Engineer, 816 Ivy Street, Pittsburgh, Pennsylvania. ATLEE, WALTER, Civil Engineer, 1209 John Street, Baltimore, Maryland. ATTERBURY, W. W., Vice President, Pennsylvania Railroad Company, Broad Street Station. Philadelphia, Pennsylvania. ATWATER, RICHARD M., Consulting Mining Engineer, Scarsdale, New York. AUDENRIED, LEWIS, Eddystone, Pennsylvania. AUSTIN, W. L., Vice Chairman of the Board, The Baldwin Locomotive Works, 500 North AYRES, EUGENE, E., Sharples Specialty Company, West Chester, Pennsylvania. BAEKELAND, L. H., Research Chemist, Snug Rock, Harmony Park, Yonkers-on-Hudson BAKER, FRANKLIN, JR., Manufacturer, Wayne Avenue and Hortter Street, Germantown. BAKER, GEORGE FALES, Physician, 403 Lafayette Building, Philadelphia, Pennsylvania sylvania. BALLARD, R. H., Vice President and Assistant General Manager, Southern California Edison Company, Edison Building, Los Angeles, California. BALLENTINE, WILLIAM I., Vice President, Advance Rumely Company, La Porte, Indiana BALLINGER, WALTER F., Architect, N. W. Corner 17th and Arch Streets, Philadelphis Pennsylvania. BANCROFT, JOHN, Manufacturer, Wilmington, Delaware. BANCROFT, JOSEPH, Vice President and Treasurer, Joseph Bancroft and Sons, Wilmington. Delaware. BANNISTER, J. C., Lock Box 26, Boston, Massachusetts. BARKER, WHARTON, Economist and Financier, Port Royal Avenue, Roxborough, Philadelphia, Pennsylvania. |