THE
FRANKLIN
INSTITUTE
(Proceedings of the Stated Meeting held IVcdnesday, April I8, r9t7.) HALL OF THE FRANKLIN INSTITUTE,
PHILADELPHIA. April I8, I917. PRESIDENT DR. WALTON CLARK in the Chair.
Additions to membership since last report, 13. Mr. William C. Wetherill, chairman of the Committee on Science and the Arts, reported the condition of the work of the committee. Charles Baskerville, Esq., Ph.D., Director of Chemical Laboratories, College of the City of New York, presented a communication on the " Hydrogenation of Oils." The various saturated, unsaturated, and hydroxy acids, which occur in animal and vegetable fats and oils, were described by means of charts. The mixed glycerides of such fats and oils were discussed, together with the successive changes produced in their unsaturated radicals by hydrogenation. Attention was paid to the r61e of catalysis in hydrogenation. and to the factors which may favor or retard the reaction in its commercia[ application. Stress was laid on the economic importance of hydrogenated oils. and the relationship of such oils to the natural fats. The subject was illustrated by experiments and lantern slides. After a brief discussion the thanks of the meeting were extended to the speaker. Adjourned. R . B . OWENS,
Secretary.
T H E F R A N K L I N I N S T I T U T E SCHOOL OF MECHANIC ARTS. ANNUAL
REPORT
OF THE
DIRECTOR
OF THE
SCHOOL.
I916-I917. COURSES OF INSTRUCTION. The ninety-third year of The Franklin Institute School of Mechanic Arts closed April I3th, I917. During the year instruction was given in Mechanical Drawing, Architectural Drawing and Design, Freehand Drawing and Water Color, Shop Arithmetic and Algebra, Plane Geometry and Trigonometry, Applied Mechanics and Machine Design, and Theoretical and Practical Naval Architecture. The courses in Mechanics and Naval Architecture were extended and instruction was given three evenings a week instead of two as in the past. 639