( 5 ) 

 §lopI Microscopical <§oci% 



MEETINGS FOR THE SESSION 1879-80, 



At 8 P.M. 



1879. Wednesday, October 8 



„ November 12 



„ December . . 10 



1880. „ January . . 14 



„ February 11 



(Annual Meetiwj for Election of Offieer»> 

 and Council.) 



„ March 10 



„ April 14 



May 12 



„ June i) 



THE JOURNAL for February 1879 (Vol. IL, No. 1). 



This being out of print, the full published price will be given by the 

 Society for copies on application to Walter W. Eeeves, 



Assist.-Sccretary , 



STEINHEIL'S "APLANATISCHE LOUPEN," 



New Combined Achromatic Triplet Magnifying Lenses. 



These T euaes are constructed so as to b« 

 used at a great fo al distance from the ob- 

 ject, the advantage of which over most of 

 the existing High Power Lenses will be at 

 once apparent. They give marvellous de- 

 finition over the whole field, and for all 

 Microscopic Examinations they are the 

 most wonderful, perfect, and useful Pocket 

 Lenses tliat have ever been manufactured, 

 either in this country or abroad. 



They are conveniently Mounted in Brass, 

 as shown in the drawing (which represents 

 the exact size of No. 167, 1 ,l inch focus), or in Horn Setting and Tortoise-shell Frame. 

 DESCBIPTION AND PRICES. 

 No. 166. If inch Focua, Linear Magnifying Power 5J times Price 18». 

 », 167. ItV » „ „ „ 8 „ I 



" \fn' ¥ " " " " \l " Price 15». each. 



„ 170. I „ „ „ „ 24 „ I 



Per post, 6d. extra. 

 A Complete Set of 6 Lenses, fitted in Bronzed Brass Cupped Mounts, with Holder for 

 Dissecting Purposes, commencing with one 24 focus, and the above five, magnifying -powert 

 3i to 24, in Flat Leather Cute for the Pochet, Price £4 5«. 



Sole Agents— MURRAY & HEATH, 



OPTICAL AND PHILOSOPHICAL INSTEUMENT MAXEE8 to Her Majesty and the 

 Oovemment Departments, 



No. 69, JERMYN STREET, LONDON, S.W, 



