18 4 ANNUAL REPORT OF BOARD OF MANAGERS. Model of canal boat with screw-propellers; also models of ice-boats and boats with feathering paddle-wheel blades. Models of earliest forms of lattice girder bridges. Sectional model of early beam engine with Watt parallel motion and condenser. Model of locomotive engine, by George Stevenson, I816. Sectional model of side-lever engine. Working models of early forms of stationary engines and locomotives. Models by Eastwick, Harrison, Baldwin, and other inventors, of crank motions and various other portions of engines, such as cylinders, etc. Model of Herman's mechanism for converting rectilinear into rotary motion. Beam engine, by Henry Cartwright, model 1842. Model of first World's Fair premium harrow. Model of Bain's printing telegraph, 1844. Various models and working apparatus of Morse and other inventors in the early history of telegraphy. Model of Oliver Evans's " Oructor Amphibolis." Original Yale lock, 1855. Benjamin Franklin's original electrical machine and various other apparatus used by him. In conclusion, it may be stated that all of the working models have been taken apart, cleaned, repaired by skilled mechanics, and all have been operated. Some of these models are displayed in the Library and lecture-room; many others line the walls of the class-rooms, where they are at all times available for educational purposes. Respectfully submitted, A. E. OUTERBRIDGE, JR., PHILADELPHIA, January 8, 1913. Chairman. REPORT OF THE COMMITTEE ON MEETINGS. To the President and Members of The Franklin Institute: During the year ending September 30, 1912, nine stated meetings of the Institute were held under arrangements made by the Committee on Meetings, with the co-operation of the Secretary's office. At these the following subjects were presented: September 2o, 1911: Modern Uses ~ind Applications of Radium. Dr. Hugo Lieber. October 18, 1911: The Practical Application of Scientific Management to Railway Operation. Mr. Wilson E. Symons. ~N'ovember 15, 1911: The Obstacles to the Progress of Meteorology. Prof. Cleveland Abbe. December 20, 1911: Daylight. Dr. Edward L. Nichols. ANNUAL REPORT OF BOARD OF MANAGERS. 18 5 January 17, 1912: Research Laboratory Notes. Dr. W. R. Whitney. February 21, 1912: Recent Advances in the Art of Battleship Design. Naval Constructor D. W. Taylor, U. S. N. March 2o, I912: How the Chemist Uses Electricity. Dr. Edgar F. Smith. April 17, I912: Recent Development of the Locomotive. Mr. George R. Henderson. May 15, I912: Fundamental Chemical Constants. Dr. E. W. Morley Recent Developments in the Electrical Art. Prof. Elihu Thomson. Metrology in Relation to Industrial Progress. Dr. S. W. Stratton. The May meeting was made the occasion of the presentation of Elliott Cresson Medals to Dr. Alexander Graham Bell, Dr. Edward Williams Morley, Prof. Elihu Thomson, and Dr. S. W. Stratton, the last three being the speakers of that evening. The presentations were made on behalf of the Institute by Vice-President James Mapes Dodge, in the absence of the President, Dr. Walton Clark. At this meeting, also, an amendment to the By-Laws, providing for the discontinuance of the June and September Stated Meetings, was considered and adopted in its final form. Throughout the year the meetings were exceedingly well attended. The papers presented have practically all appeared in the Institute's JOURNAL. Respectfully submitted, JAMES S. ROGERS, PHILADELPHIA, January 8, 1913. Chairman. REPORT OF THE COMMITTEE ON SCIENCE AND THE ARTS, To the President and Members o[ The Franklin Institute: The Committee on Science and the Arts has the honor to submit the following account of its operation for the year ending September 3o, I912: During the year there were held eleven Stated Meetings of the General Committee and twenty-three meetings of Sub-committees on Investigation. There were eighteen cases pending before the committee in September, 1911, and, during the twelve months following, ten applications for investiga- tion were accepted. Twenty-four cases were closed during the year, leaving four cases pending, September 3o, 1912. In three of the cases considered, the award of the Elliott Cresson Medal was recommended and made. In two cases the award of the Edward Long- streth Medal of Merit was recommended and made. In four cases the award of the John Scott Legacy Medal and Premium was recommended; in two of these cases the John Scott Award was made by the City of Philadelphia; one case is now pending before the Philadelphia Board of City Trusts, and one recommendation is being advertised in the JOURNAL. Thirteen reports were made advisory and two cases were dismissed. .