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February 10, 1916—" Refining of Animal and Vegetable Oils." By CHARLES BASKERVILLE, PH.D., F.C.S.,

Professor of Chemistry, College of the City of New York, New York, N. Y. This lecture will include the scientific and technical results of an investigation of the above subject, extending over a period of some four years, and will describe a new process of refining these oils, believed to be of great practical and commercial value.

The lecture will be accompanied by experimental demonstrations. February 16, 1916-"Drug and Occupational Amblyopias." By G. E. DE SCHWEINITZ, M.D., LL.D., Philadelphia, Penna.

The lecture will concern itself with the deleterious effects on the visual apparatus caused by the abuse of tobacco and ethyl-alcohol, and refer particu larly to the dangers of methyl-alcohol as it is employed by painters, hatmakers, shellacers, etc., and as it is abused when employed as an adulterant and to take the place of ethyl-alcohol, particularly in cheap grades of essence of peppermint, bay rum, etc.; the dangers to the ocular apparatus of those who work in lead, bisulphide of carbon, nitrobenzol, and dinitrobenzol; the visual disturbances caused by the ingestion of large doses of quinine, salicylic acid, and certain arsenic preparations, notably atoxyl. Finally, brief reference will be made to glassblower's cataract, furnace-maker's cataract, and the photophthalmias, or those conditions of the ocular apparatus which arise as the result of glare. The lecture will be illustrated with lantern slides showing the lesions in the ocular apparatus, and charts of the visual field.

February 24, 1916-" Highway Problems of the State of Pennsylvania."

By WILLIAM D. UHLER,

Chief Engineer, State Highway Department, Harrisburg, Pa.

In this lecture Mr. Uhler will discuss the difficulties in taking care of the elaborate system of highways turned over to the Commonwealth. He will point out the mistakes made in laying out the system originally, and will show how a more comprehensive system of main-travelled thoroughfares could have been established with benefit to the State. The general and specific maintenance of the roads comprising the system will be discussed. The methods of caring for the various types of road found throughout the State will be described, and it will be pointed out that revenues sufficient to care for these roads properly must be provided before permanent construction can be undertaken.

Illustrated.

March 2, 1916-" Portland Cement."

By GEORGE A. RANKIN, A.B.,

Geophysical Laboratory, Carnegie Institution of Washington,

Washington, D. C.

The lecture will include a discussion of the manufacture of American Portland cement and its chemical composition; the method of procedure and the results obtained by a systematic study of the compounds formed between CaO, ALOs, and SiO in the proportions in which they occur in Portland cement; pure Portland cement made only from these three oxides; the chemical composition of commercial Portland cement relative only to CaO, ALO SiO2 content; the reactions which take place during the burning of commercial clinker and the nature of the product obtained; the nature of further syste matic investigation to determine the best composition for cements for various purposes.

The lecture will be illustrated by lantern slides.

March 9, 1916-"The Element of Chance in Sanitation."

By GEORGE C. WHIPPLE, S.B.,

Gordon McKay Professor of Sanitary Engineering, Harvard University, Cambridge, Mass. Member of the firm, Hazen, Whipple and Fuller, Consulting Engineers, New York City.

This lecture will deal with the application of the laws of probability to certain problems of vital statistics, epidemiology, water pollution, and water purification.

Illustrated.

March 15, 1916-"Volcanic Eruptions."

By ARTHUR L. DAY, PH.D., Sc.D.,

Director, Geophysical Laboratory, Carnegie Institution, Washington, D. C. The paper will contain a résumé of recent work at the Geophysical Laboratory and elsewhere, the purpose of which has been to determine the precise character of the chemical reactions which participate in volcanic activity and which undoubtedly form an important contributory cause to it. These studies have been made, for the most part, upon material gathered at the Hawaiian volcano Kilauea, at the four large volcanoes of the Mediterranean group (Vesuvius, Etna, Stromboli, and Vulcano), and at Lassen Peak, in northern California. Lantern views will illustrate many phases of these volcanoes in

action.

March 23, 1916" Recent Developments in Electrical Apparatus.' By HAROLD PENDER, PH.D.,

Professor of Electrical Engineering, University of Pennsylvania,

Philadelphia, Pa

This lecture will deal with operating characteristics of the more important types of electrical apparatus lately developed in connection with the distribution and utilization of electric power. New types of transmission line equipment and accessories will be described, as well as the latest forms of traction motors, phase converters, rectifiers, etc.

Fully illustrated by lantern slides.

Joint Meeting with the Philadelphia Section, American Institute of Electrical Engineers.

March 30, 1916" Some Problems in Physical Metallurgy at the Bureau of Standards."

By GEORGE K. BURGESS, SC.D.,

Chief, Division of Metallurgy, Bureau of Standards, Washington, D. C. This lecture will include references to the production of sound ingots and steel, failures of structural bronze, fusible boiler plugs, and the cooperative work of the Bureau of Standards with the American Institute of Metals on specifications for brasses and bronzes. The status of the investigation of railway materials at the Bureau will also be described.

Illustrated by lantern slides.

April 6, 1916-"Use of Powdered Coal in Metallurgical Proc

esses."

By C. J. GADD,

Chief Engineer, American Iron and Steel Company, Lebanon, Pa.

In this lecture Mr Gadd will outline briefly the method of drying, conveying, and applying pulverized coal to metallurgical furnaces, referring especially to the results obtained by the use of such coal in puddling, heating, and open-hearth furnaces with waste heat boilers.

The lecture will be illustrated by lantern slides.

April 13, 1916-"Heat Measurement as Related to the Industries."

By CHARLES WILLIAM WAIDNER, E. E., PH.D.,

Physicist, Bureau of Standards, Washington, D. C.

After a brief consideration of the methods of temperature measurement that are practically applicable in industrial work, the advantages and limitations of each method will be taken up, with illustrations of the several methods applied to special problems.

The work of the heat laboratories of the Bureau of Standards in its relation to the industries will be briefly summarized, with special reference to work along lines of high-temperature measurement, calorimetry, important thermal constants, the fire-resisting properties of structural materials, etc. Illustrated.

April 19, 1916-"Scientific Research in Relation to the Industries."

By CHARLES P. STEINMETZ, A.M., Ph.D.,

Chief Consulting Engineer, General Electric Company, Schenectady, N. Y. Engineering being applied science, the engineering industries naturally depend for their success upon the use of correct scientific principles and the application of newly-discovered scientific facts. Since established research institutions were not able to furnish all the information desired for use in the industries, industrial establishments have recently gone into scientific research with vastly extended facilities, with the result that of late the largest number of scientific advances have been made in industrial research laboratories. In Germany it was first realized that the establishment of the industrial research laboratory was one of the most profitable investments which could be made by the large industries, but in the last few years American corporations have also fully awakened to a realization of this fact, and the research laboratories established in this country by industrial corporations are doing scientific work of the highest order, in chemistry, physics, and mechanics. Numerous illustrations of research methods, and of the value of the results of industrial research, will be given.

Joint Meeting with the Philadelphia Section, American Institute of Electrical Engineers.

April 27, 1916-"The Vital Relation of Train Control to the Value of Steam and Electric Railway Properties."

By WALTER V. TURNER,

Assistant Manager, Westinghouse Air Brake Company, Wilmerding, Pa. This lecture, with illustrations, will demonstrate that train control is as potent a factor in the producing value of a railroad as is the locomotive. The fundamental purpose of a railroad is to save time. To avoid duplicating properties capacity is essential, and this involves high speed and great frequency of trains. Increased capacity by such means is practicable only to the degree that train control is adequate. Safety is as essential to integrity of traffic and successful operation as earning power. Consequently, the relative value of railway properties is entirely dependent upon the ability to keep trains in motion as close together as the state of the art for controlling trains wil! permit. Railroad capacity in cities is becoming an exceedingly important consideration, since the transient population during the day, because of "skyscrapers," is very great as compared with that of a few years ago. The lecture will briefly illustrate recent development in train control equipment which has resulted in the doubling of railroad capacity.

Illustrated.

May 17, 1916-Conferring of The Franklin Medal.

Address by the President of the Institute.

MEMBERSHIP DIRECTORY.

HONORARY MEMBERS.

Brigadier General JAMES ALLEN, U.S.A. (Retired), Army and Navy Club, Washington, D. C. Col. GEORGE L. ANDERSON, E. E., U. S. A., 975 Hamilton Avenue, Palo Alto, California. Prof. ARTHUR BEARDSLEY, Swarthmore, Pennsylvania.

Prof. CHARLES F. CHANDLER, Columbia University, New York, New York.

Dr. LOUIS DUNCAN, 50 Church Street, New York, New York.

Prof. GEORGE FORBES, No. 11 Little College Street, Westminster, S.W., London, England. Dr. FRANCIS FOWLER, Washington, D.C.

Dr. CHARLES F. HIMES, Carlisle, Pennsylvania.

Mr. C. KIRCHOFF, 587 Riverside Drive, New York, New York.

Dr. T. C. MENDENHALL, Ravenna, Ohio.

Rear Admiral JOSEPH B. MURDOCK, U. S. N., Danbury, New Hampshire.

Mr. RALPH W. POPE, 570 Cherry Street, Elizabeth, New Jersey.

Prof. H. TRESCA, Conservatoire des Arts and Metiers, Paris, France.

Lt.-Col. THEO. TURRETTINI, London, England.

Prof. WM. CAWTHORNE UNWIN, Palace Gate Mansions, Kensington, London, England. Dr. GEORGE M. WARD, New York, New York.

Dr. H. W. WILEY, Room 1120, Woodward Building, Washington, D. C.

Lieut A. B. WYCKOFF, 131 East H Street, Ontario, California.

CORRESPONDING MEMBER.

Mr. T. COMMERFORD MARTIN, 29 West 39th Street, New York, New York.

PERMANENT MEMBER.

Mr. ANDREW CARNEGIE, 91st Street and Fifth Avenue, New York, New York.

Mr. ISAAC B. THORN.

"IN MEMORIAM."

MEMBERS.

ABBOTT, LYLE STOCKTON, Civil Engineer, 300 Willow Avenue, River Edge, New Jersey. ABBOTT, ROBERT R., Metallurgical Engineer, The Peerless Motor Car Company, Cleveland, Ohio.

ABEL, CHARLES, Painting and Paper Hanging, 300 Fifth Avenue, Haddon Heights, New
Jersey.

ACHESON, EDWARD G., Manufacturer, 5 Chancery Lane, London, W. C., England.
ADAMS, DANIEL, Lumber Merchant, 2934 North Marshall Street, Philadelphia, Pennsyl-

vania.

ADDICKS, WALTER R., Vice President, Consolidated Gas Company of New York, 130 East 15th Street, New York, New York.

ADSIT, CHARLES G., Engineer, Ponce de Leon Apartments, Atlanta, Georgia.

AKIMOFF, NICHOLAS W., Mechanical and Hydraulic Engineer, 1013 Harrison Building, Philadelphia, Pennsylvania.

ALBERTSON, W. H., Builder, 334 North Preston Street, Philadelphia, Pennsylvania.

ALBRECHT, A. C., Secretary, North Brothers Manufacturing Company, N. E. corner Lehigh Avenue and American Street, Philadelphia, Pennsylvania.

ALLAN, ANDREW, JR., Manufacturer of Bearing Metals, 486 Greenwich Street, New York, New York.

ALLEMAN, GELLERT, Professor of Chemistry, Swarthmore College, and for mail, 8 Whittier Place, Swarthmore, Pennsylvania.

ALLEN, C. W., 523 Oley Street, Reading, Pennsylvania.

ALLEN, FRANK S., Boiler Inspector, 48 Fairfield Avenue, Hartford, Connecticut.

ALLEN, JAMES, Brigadier General, U. S. A., Army and Navy Club, Washington, D. C.
ALLEN, WILLIAM E., Clerk, 1211 Clover Street, Philadelphia, Pennsylvania.

ALLEN, WILLIAM N., Retired Chemical Manufacturer, 557 Church Lane, Germantown, Philadelphia, Pennsylvania.

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.

ANDERSON, FRANK, Mining Engineer, 468 12th-East Street, Salt Lake City, Utah. ANDERSON, Colonel GEORGE L., Electrical Engineer, U. S. A., 975 Hamilton Avenue, Palo Alto, California.

ANDREWS, W. S., Consulting Electrical Engineer, General Electric Company, Schenectady, New York.

ANGERER, VICTOR, Vice President, Taylor-Wharton Iron and Steel Company, and for mail, P. O. Box 162, Ridley Park, Pennsylvania.

ARGOLLO, M. de TEIVE E., Civil Engineer, The British Bank of South America, Limited, 4 Moorgate Street, London, E. C., England.

ARMSTRONG, WILLIAM R., Clerk, Powers-Weightman-Rosengarten Company, Philadelphia, Pennsylvania. ARNY, DR. H. V., Professor of Chemistry, College of Pharmacy, Columbia University, 115 West 68th Street, New York, New York.

ASEF, WALDEMAR, Chemist, 4812-B Sansom Street, Philadelphia, Pennsylvania.
ASHBROOK, DONALD S., Chemist. 2404 Willard Street, Wilmington, Delaware.
ASHHURST, JOHN, Assistant Librarian, The Free Library of Philadelphia, 13th and Locust
Streets, Philadelphia, Pennsylvania.

ASHMEAD, FRANK M., Civil Engineer, 445 Ashland Avenue, Buffalo, New York.
ATKINSON, WILLARD S., Consulting Engineer, Ashland, New Jersey.

ATLEE, JOSHUA W., Naval Architect, Wm. Cramp and Sons Ship and Engine Building
Company, and for mail, Riverton, New Jersey.

ATLEE, WALTER, Civil Engineer, 2112-18th Street, N. W., Washington, D. C.

ATTERBURY, W. W., Vice-president, Pennsylvania Railroad Company, Broad Street Station, Philadelphia, Pennsylvania.

ATWATER, RICHARD M., JR., Consulting Mining Engineer, Scarsdale, New York. AUCHY, GEORGE, Researcher, Henry Disston and Sons, and for mail, 6932 Tulip Street, Tacony, Philadelphia, Pennsylvania.

AUDENRIED, LEWIS, Eddystone, Pennsylvania.

AUSTIN, W. L., Chairman of the Board, The Baldwin Locomotive Works, 500 North Broad Street, Philadelphia, Pennsylvania.

BACKUS, CECIL F., Chemist, Main Office, Atlas Powder Company, Wilmington, Delaware. BAEKELAND, L. H., Research Chemist, Snug Rock, Harmony Park, Yonkers-on-Hudson, New York.

BAILY, JOSHUA L., Drygoods Commission Merchant, 36 South 15th Street, Philadelphia, Pennsylvania.

BAIRD, CHARLES O., 207 Crozer Building, Philadelphia, Pennsylvania.

BAIRD, HOBART B., Electrical Engineer, Hagerstown, Maryland.
BAIRD, JOHN E., Real Estate Trust Building, Philadelphia, Pennsylvania.
BAIRD, THOMAS E., Villa Nova, Pennsylvania.

BAKER, FRANKLIN, JR., Manufacturer, Wayne Avenue and Hortter Street, Germantown,
Philadelphia, Pennsylvania.

BAKER, GEORGE FALES, Physician, 403 Lafayette Building, Philadelphia, Pennsylvania.
BALCH, ALFRED C., Publisher, 227 South 6th Street, Philadelphia, Pennsylvania.
BALCH, EDWIN S., Attorney-at-Law, 1505 Spruce Street, Philadelphia, Pennsylvania.
BALLANTINE, CHARLES M., Banker, 4810 Germantown Avenue, Philadelphia, Pennsyl
vania.

BALLENTINE, WILLIAM I., Superintendent, 955 North Pennsylvania Street, Indianapolis,
Indiana.

BALLINGER, WALTER F., Architect, N. W. Corner 17th and Arch Streets, Philadelphia,

Pennsylvania.

BALLS, WILLIAM H., Professor of Drawing, Southern High School, Broad and Jackson Streets, Philadelphia, Pennsylvania.

BALTIMORE, JEREMIAH D., Teacher in Manual Training School, and for mail, 1435 S Street, N. W., Washington, D. C.

BANCROFT, JOHN, Manufacturer, Wilmington, Delaware.

BANCROFT, JOHN SELLERS, General Manager, Lanston Monotype Machine Company, and for mail, 917 Pine Street, Philadelphia, Pennsylvania.

BANNISTER, J. C., Manager, National Tube Company, Kewanee, Illinois.

BARKER, WHARTON, Economist and Financier, Port Royal Avenue, Roxborough, Philadelphia, Pennsylvania.

BARNES, Professor JAMES, Physicist, care of Brown, Shipley and Company, 123 Pall Mall, London, England.

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