MINUTES OF MEETINGS. 1 25 



April 8, 1909. — Adjourned meeting. Lecture, "Bird 

 Migrations," by Prof. Charles AV. Palmer, of the Westtown 

 Boarding School. 



April 15, 1909. — Adjourned meeting. Lecture, "Electro- 

 magnetic Induction," b}- Harold C. Barker, A. M., Ph. D., 

 instructor in physics. University of Pennsylvania. The lec- 

 ture was illustrated by the Tesla oscillator and other elec- 

 trical apparatus. 



