JAMES SWIFT & SON, 



Manufacturei-s of Optical and Scientific instruments, 



Contractors to all Scientific Departments of H.M. Home 

 and Colonial and many Foreign Governments. 



Grands Prix, Diplomas of Honour, and Cold 

 Medals at London, Paris, Brussels, etc. 



IVIICROSCOPES 



AND OTHER 



INSTRUIVIENTS FOR 



ALL BRANCHES OF 



GEOLOGY, 



MINERALOGY, 

 PETROLOGY. 



Sole Makers of the 



"DICK" MINERALOGICAL 



MICROSCOPES. 



Dr. A. HUTCHINSON'S 



UNIVERSAL GONIOMETER. 



University Optical Works, 



81 TOTTENHAIVI COURT ROAD, 



LONDON, W. 1. 



ns Microscopes for 

 Geoloi^y. 



WATSON & SONS manufacture a 

 special se 'es of Microscopes for Geo- 

 logical work. All have unique features, 

 and every detail of construction has 

 been carefully considered with a A'iew 

 to meeting every requirement of the 

 geologist. 



All Apriaratus for Ceologry supplied. 



WATSON'S Microscopes are guaranteed 



for 5 years, but last a lifetime, and they 



are all 



BRITISH MADE at BARNET, HERTS. 



W. WATSON & SONS, Ltd. cestablished 1837), 

 313 HIGH HOLBORN, LONDON, W.C.I. 



Works:— HIGH BARNET, HERTS. 



