pC 5 
JAMES SWIFT & SON, 
Manufacturers 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. 
MICROSCOPES 
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. 
THREE TYPES OF WATSON’S 
MICROSCOPES FOR MICROSCOPE 
GEOLOGY. CATALO GUE 
All have unique features. 5 
A has a_ section specially 
devoted to Geology and 
re ee Py ee, 
ALL APPARATUS FOR gives details of many 
GEOLOGISTS. i te : 
useful and _ time-saving ae 
Tacaee devices. 
WATSON ei F 
MICROSCOPES i 
are guaranteed for five Inquiries promptly and q 
years, but last a lifetime. fully answered. ie 
Every part of their con- q 
struction has been care- — a 
fully considered. The 7 
workmanship is the finest . CATALOGUES 4 
possible. GRATIS. 
# 
ALL GOODS BRITISH MADE WITH BRITISH MATERIALS. 
313 HIGH HOLBORN, LONDON, ENGLAND. 
ESTABLISHED 1837. 
