THE MICROSCOPICAL JOURNAL ADVERTISER. 



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



Awarded 2 Diplomas of Honor (Degi-ees Higher tUau Gold Medal), Antwerp Microscopical Exhibition 1891. 

 Gold Metlals, Paris Exhibition, 1889, and 'iG 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 niiscroacopes and 



apparatus ; also classified list of 4U,0U0 niici os(^opie 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 

 workmanship are the finest possible, and it is uiu-qualled for stability and 

 convenience of manipulation by any other mediuiu siisi' or student's iustru- 

 lueut. It can be used with either Continental or English objectives, 

 fittings are of the universal size. 



NEW I/IVE BOX, NEW MICROSCOPE LAMP, 



WITH METAL CHIMNKY. 



PHOTO-MICROGRAPHIC 

 APPARATUS 



for Students, the Laboratory, and the Van Heurck'i 

 Vertical Camera 



HELIOSTAT 



COMPLETE MICROSCOPICAI, 



OUTFITS. 



-nr-Tsr ATSOiT a soits, 



Established 1837. 



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



