. ROGERS: On the performance of a n 



.Samuel Hauohton: Now views of Mr. George H. Darwin's theory of the 

 evolution of the Earth Moon system, considered as to its bearings on the ques- 



J. Burkitt Webb: A method of eliminating the personal equation in transit 



Charles FJ. Rockwell: Scheme for observing the great Eclipse of May, 1883. 



Sir/ ion />', Phtjiics. 





OkVi.lsox Wool: The tension of the lum 

 Alkx. (Iraii am I'.ki.i,: Upon tie' electrical cxpe; 







: Tii. fun- ' diffusion of the gases forming 



the atmosphere. 





«>.\: Electric induction by stress. 











T. ('. Mkxdkxii \li. : On the reduction of the electrical res 





hutten l.v the passage of an electrical current. 













■ ■ : 



of thermodynamic 



A. E. DOLBE. 



The telephonTas 1 anexplorwfn an electric 1 







ield; On vortex r 





thout wires. 







;s: Exhibition of a simple and inexpensive. 













a ■ ; i \ in m. i •iiiemeiits bv the sense of feeling; Determinat: 





: Metre des Archives = Imperial yard +3-37 







s: <)n the duration of color impressions upon 

 .kWkvuk: t'n the diatonic scales obtained hit' 





f. FI. Van ,„. 





of harmonics on the timbre of sound. 



u loi i i \ pn i .. ing low temperatu 



omena of diffraction due to the shape c 



