SCIENCE-GOSSIP. 



BECK'S NEW'LONDON' MICROSCOPES 



MICROTOMES. 

 CENTRIFUGES, 

 MOUNTING 



MATERIALS. 

 COLLECTING 



APPARATUS, 

 OBJECT 



CABINETS. 

 OBJECTS. 

 STAINS. 



). 



No. 1125J "London" 

 MICROSCOPE, as 

 figured, with two eye- 

 pieces, two object 

 glasses (f-inch and 

 1-inch), double nose- 

 piece, and packed in 

 mahogany case. 



£6 1 6 



R. & J. BECK, Ltd., 68 Cornhill, E.C. 



THE WATSON PRISM GLASS. 



S3 



o 



P H 



i4 *•* 



H 



S5 ^ 



Is 



OJ 



X 

 H 



ORDINARY FIELD CLASSES SUPERSEDED. 



1( invaluable to 

 NATURALISTS, 

 ASTRONOMERS, 

 TRAVELLERS, 

 YACHTSMEN, 

 SPORTSMEN, 

 NAVAL and 

 MILITARY MEN, 



in fact, 



EVERYONE 



THAT PRISm 



PRODUCES 

 THE 



WONDERFUL 

 EFFECT. 



n CO 



CO 



(0 





will Increase his knowledge and add to his pleasure by using: the Watson Prism Glass. 



Prices in Case :— Magnifying power 4 diameters, £6 ; 7 diameters, £7 1 5s, ; 9 diameters, £9 5s. 

 Setid/or Descriptive Price List. It 'will interest you. 





MICROSCOPES 

 OBJECTIVES 

 SUBSTAGE 

 CONDENSERS 

 and 

 ACCESSORIES 



The 



finest 



in the 



world 



for 



the 



Amateur, 



Laboratory, 



Student, 



School, 



Specialist. 



UNIQUE MODELS:— 

 WATSON'S VAN HEURCK 

 V^fATSON'S EDINBURGH STUDENT'S 

 V^TATSON'S ROYAL 

 WATSON'S FRAM 

 WATSON'S SCHOOL 



Send for Catalogue No. 2 — it contahis full particulars of tlie above — pos free, 

 Watson's Catalogue of Microscopic Objects (No. 3) is a Classified List representing a stock of 50,000 first-cIass specimens, post free. 



W. WATSON &. SONS, Opf/c/a/is to H.U. Govt., 313 High Holborn, LONDON, W.G. 



Established .837.] Bra,uhes^l6 FORREST RD., EDINBURGH; 78 SWANSTON ST., MELBOURNE, AUSTRALIA. 



SfOTTISWOODE & Co. LTD., PhIKTBRS, NeW-STKEET SQUARE, LONSON. 



