THE MICROSCOPICAL ADVERTISER. 



W. WATSON & SONS, 313 High Holborn, London, W. C , 



Awarded 2 Diplomas of Honor (Degrees Higlier thau Gold Medal), Antwerp Miorosoopical Exhibition, 1891. 

 Gold Medals, Pai-is Exhibition, 1889, and 2t5 Gold and other Medals at the principal Exhibitions of the World 



Our New Illustrated Catalogue of Microscopes and Apparatus 



Contains a full description of the construction of our miscroscopes and 



apparatus; also classilied list of 40,0UI) microscopic objects. 



TRIPOD :EDINBURGH STUDENT'S MICROSCOPE, 



Made in 4 forms, E, F, G, H. 



(See description and prices on page ii). 



Suitable for investigations with the highest powers. The quality and 

 workniaii-ship are the finest possible, and it is nnequalh d for stability and 

 convenience of manipulation by any other midiuni siz" or student's instru- 

 niint It i.ui III u-ied with either Continental or English objectives. All 

 htm.t"- ail ol till universal size. 



NIvW I,IVE BOX, NEW MICROSCOPE I.AMP, 



WITH METAL CHIMNKY. 



NEW PHOTO-MICROGRAPHIC 

 APPARATUS 



for Students, the Laboratory, and the Van Ileurck'l 

 Vertical Camera. 



HELIOSTAT 



COMPLETE MICROSCOPICAL 



OUTFITS. 



The 



above 



Cut i!<>C,M10 



Beut, 

 post free, 



on 

 a^iplica- 



tiou to 



TSr.^OrATSOIT <& SOXTS, 



Establlsbed 1837. 



313 High Holborn. London, W. C, and . . 78 Swansion St., Me/bourne. Australia. 



