LABORATORY APPARATUS 



We make a specialty of furnishing' Laboratory Apparatus 

 and supplies for Schools and Colleges. The. fact that our Ap- 

 paratus is found so generally in such Institutions is the best evi- 

 dence of the peculiar advantages we offer to purchasers in this 

 field. 



We are glad to send catalogs and to submit estimates on 

 Apparatus and supplies of every character. We carry a com- 

 plete stock and can make prompt deliveries. 



Attention is called to our new Lantern C which is especially 

 designed for school work. This Apparatus embodies the latest 

 improvements of our highest priced Lantern, and we are able to 

 offer it at a very moderate cost. Price complete as shown $50 ; 

 with Acetylene burner, $45. 



Our BH Microscope is especially adapted for School work. 

 Among its special features is the handle-arm which makes it easy 

 to carry without injury to the fine adjustment which is unusually 

 responsive. Price complete with 16 mm. and 4 mm. Objectives, 

 25 mm. Eyepiece, Double Nosepiece, $33.50. 



Bausch & Lomb Optical Co. 



Carl Zeiss, Jena 

 Offices 

 New York 

 Boston 

 Chicago 



George N. Saegmuller 

 San Francisco 

 Washington 

 London 

 Frankfort 



ROCHESTER. N. Y. 



WATSON & SONS' 



MICROSCOPIC OBJECTS 



Every Microscopist, no matter in what de- 

 partment he may be interested, will find speci- 

 mens of interest and rarity listed in Watson' s 

 Catalogue of Microscopic Objects. It is a 

 classified list representing a stock of more than 



40,000 CHOICE SPECIMENS 



Each guaranteed typical of the structure it 

 represents. These slides are used for teaching 

 and examination purposes throughout the 

 world. The series comprise illustrations in 

 Histology, Pathology, Zoology, Bacteriology, 

 Hematology (including Malaria), Botany, 

 Entomology, Geology, Diatomacea?, etc. , etc. 

 Amateurs will find in this list many desirable 

 additions for their cabinets, from Is. up. 



The above list will be mailed free on request. 



WATSON & SONS, Microscope Manufacturers, 



WHOLESALE AND RETAIL 



313 HIGH H0LB0RN, LONDON, ENGLAND 



Established 1837. Awarded 43 Gold and other medals — micro- 



coplo Objects may be o onveniently sent to the U.S.A. by parcel post. 



American Agents: The Scientific Shop (A. B. Pobtke) Rooms 1230- 



1245 MonoD Building, 324 Dearborn Street, Chicago, through whom 



orders should be sent. 



c 



Microscopical 

 Objects 



especially prepared 

 and classified for 

 the use of 



Teachers and 



Students in 



Botany, Entomology, 

 Zoology, Physiology 

 and Bacteriology, 



also 



special sets of objects covering Cotton and 

 Woolen Fibres, Paper Making, Starches, 

 Pharmaceutical Preparations, etc. 



The quality of our preparations is un- 

 equalled, while the prices are extremely 

 low. 



We also offer over 20,000 Lantern Slides 

 covering a great number of Educational 

 Subjects. Complete catalogue free. 



WILLIAMS, BROWN & EARLE, 

 Dept. N,918 Chestnut S3., Philadelphia, Pa. 



QUALITY! QUALITY!? QllALlTY!!! 



VANILLA CHOCOLATE 



(PINK WRAPPER) 



IS BY FAR THE BEST 



EATING & DRINKING CHOCOLATE IN THE WORLD. 



<e^d& COCOA 



FOR PURITY & FLAVOR 

 CANNOT BE EQUALLED. 



&& PREMIUM (5) 



FAMILY COOKING a BAKING CHOCOLATE 



(BLUE WRAPPE R ) 

 IS UNSURPASSE D FOR COOK ING & BAKING. 



ALL OUR COCOA 8 CHOCOLATE PRODUCTS ARE RICH IN THAT 

 DELICIOUS GENUINE CHOCOLATE FLAVOR 

 ON ACCOUNT OF QUALITY OF BEANS 

 USED AND THEIR BLENDING. 



SOLO AT OUR STORES ft BY GROCtRS EVERYWHERE. 



