JAMES SWIFT & SON 



Manufacturers of Optical and Scientific Instruments' 



M ICROSCOPES 



AND OTHER 

 INSTRUMENTS FOR 



ALL BRANCHES OF 



GEOLOGY, 

 MINERALOGY, 

 PETROLOGY. 



Sole Makers of the 



"DICK" MINERALOGICAL 



MICROSCOPES, 



Dr. A. HUTCHINSON'S 



UNIVERSAL GONIOMETER. 



University Optical Works, 



81 TOTTENHAM COURT ROAD, 



LONDON, W. 1. 



Watsons Microscopes for 



WATSON & SONS manufacture a 

 special series of Microscopes for Geo- 

 logical work. All have unique features, 

 and every, detail of construction has 

 been carefully considered with a view 

 to meeting every requirement of the 

 geologist. 



AH Apparatus for Geology supplied. 



WATSON'S Microscopes are guaranteed 

 tor 5 years, but last a lifetime, and they 



are all 

 BRITISH MADE at BARNET, HERTS. 



W. WATSON "*TsONi~15dr^^^r^ 



313 HIGH HOLBORN, LOND^^^^cY^ 



Works :-HIGH BARNET, HERTS. 



