JAMES SWIFT & SON, 



Manufacturers of Optical and Scientific Instruments, 



C ontractors to all Scientific Departments of H.M. Home 

 dnd Colonial an<f many Foreign Governments. 



Grands Prix, Diplomas of Honour, and Gold 

 Medals at London, Paris, Brussels, etc. 



MICROSCOPES 



AND OTHER 



INSTRUIVIENTS FOR 



ALL BRANCHES OF 



GEOLOGY, 



MINERALOGY, 

 PETROLOGY. 



Sole Makers of the 



" DICK " MINERALOCICAL 



MICROSCOPES. 



Dr. A. HUTCHINSON'S 



UNIVERSAL GONIOMETER. 



University Optica.1 Works, 



81 TOTTENHAM COURT ROAD, 



LONDON, W. 1. 



Watson's Microscopes for 

 Geolog^y. 



WATSON & SONS manufactme a 

 special series of Microscopes for Geo- 

 logical work. All have imiqne features, 

 and every detail of construction has 

 been carefitlly considered with a view 

 to meeting every requirement of the 

 geologist. 



All Apparatus for Ceolog^y 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. (es tablished i sst), 

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



Works:- HIGH BARNET, HERT.S. 



