( 11 ) 



i0pl ^ktrosco^ial c^ocutg. 



At 8 P.M. 



1883. Wednesday, Januaet . . . . 10 



„ Fbbrttaey 14 



{Annual Meeting for Election of Officers 

 and Council.') 



„ March 14 



„ April 11 



May .. 9 



„ June 13 



5, October 10 



„ November . . 14 



December 12 



THE " SOCIETY " STANDARD SCREW. 



The Council have made arrangements for a further supply of Gauges 

 and Screw-tools for the " Sooiett " Standard Screw for Objectives. 



The price of the set (consisting of Grauge and pair of Screw-tools) is 

 12«. 6d. (post free 12s. 10^.). Applications for sets should be made to the 

 Assistant-Secretary. 



For an explanation of the intended use of the gauge, see Journal of the 

 Society, I. (1881) pp. 548-9. 



ADVERTISEMENTS FOR THE JOURNAL.. 



Mr. Charles Blbnoowe, of 75, Chancery Lane, W.C., is the authorized 

 Agent and Collector for Advertising Accounts on behalf of the Society. 



