BAIR.D &TATLOCK (LONDON) LTD. 



J. Stage forceps 



K. Pliers 



L. Eyepieces, i to 5 



M Double nosepiece 



N. Stops for dark ground illumination and oblique light with blue glass modifier 



See No. 1400 for Objectives. 



each 



4 

 1 

 6 

 10 

 7 



6 

 

 

 







1395-1396 



Swift's Discovery Microscope. 



This is the ideal instrument for the student. It is very strongly built, and the tripod upon which it is mounted 

 renders it extremely steady. 



Coarse adjustment by diagonal rack and pinion. 



Fine adjustment by isolated direct-acting micrometer screw. 



The stage will carry a full-size culture dish. It is engraved with Wright's finder, for re-locating any particular 

 part of a specimen. 



The understage fitting is of standard size. It can be replaced by a racking and centring substage at any time 



The draw-tube is nickelled and divided into millimetres. 



Plane and concave mirrors are fitted. 



1395' Stand with f in. and J in., N.A. 0.85 objectives, ocular and iris diaphragm, in mahogany 

 cabinet 



1396' Stand with in. and J in., N.A. 0.85 objectives, two oculars, double nosepiece and iris 



diaphragm, in mahogany cabinet 



Although the sets are quoted with j in. and ^ in. objectives, the f in. may be replaced by a i in. or 4 in. 

 and the i in. by a J in. or J in. objective. 



Accessories for above Microscope 



A. Mechanical stage 



B. Racking and centring substage 



C. Small Abbe condenser 



extra 



6 15 

 7 10 



2 10 

 1 15 

 10 



ICHEMICAL AND SCIENTIFIC APPARATUS AND PURE CHEMICALS. 



281 



