SCIENCE-GOSSIP. 



BAUSCH & LOMB'S 



LABORATORY, BACTERIOLOGICAL 

 ADVANCED MICROSCOPE. 



MODEL B.B. 

 THE POPULAR FAVOURITE. 



With Screw Substage, Iris Dia- 

 phragm, Coarse and Fine Adjust- 

 ment, Brass Stand, in Polished 

 Wood Cabinet, with Lock and 

 Key, £5 0, 



HUYGHENIAN EYEPIECES. 



2-in. ij-in. i-in. J-in. Jin. 



5/- 5/- 5/- 5/- 5/- 

 B. & L.'s SPECIALLY COR- 

 RECTED HIGH-CLASS OB- 

 JECTIVES for Laboratory Work. 

 Dry.. 2/3 in. N.A. o'24, 15/- ea. 



,, .. 1/6 in. ,, 0-82, 30/- „ 

 Oil Immersion — 



1/12 in. ,, i'32, 100/- ,, 



Our 1/6 in. N.A. o"66 specially 

 constructed for Blood Correcting. 



We have all Models on Stock 

 complete with Objectives, &c., 

 38/6 to £30 each. 



A. E. STALEY & CO., 



35 AliDERMANBURY, LONDON, E.G. 



(BAUSCH & LOME'S REPRESENTATIVES FOR GREAT 

 BRITAIN AND EXPORT.) 



Zi,-PAGE FULLY ILLUSTRATED DESCRIPTIVE 

 LIST THREEPENCE TO COVER POSTAGE. 



IJ^T As an Instance of tha High class character of ouf 

 Stands and Perfection of our Objectives, we may 

 say we have now sold over 30,000 of these Micro- 

 scopes; this fact In Itself Is sufficient guarantee of 

 their merit and quality. 



N.B. — See Notes on our Instruments in the Neztj Edition 0/ 

 Ca)'J>cnter on the Microscope. 



JTAS. SWIFT & SON, 



Manufacturing Opticians. 



Solely appointed to the A.M. Dept., 

 War Office, for the supply 

 OF Microscopes. 



Patent form of Student's Micro- 

 scope, fitted with 2/3" and 1/6" 

 Pan-Aplanatic Objectives, Iris 

 Diaphragm and Oculars, in Case, 

 from £5 Ss, 



These Instruments we have sup- 

 plied in numbers to the following 

 Medical Schools, viz., St. Mary's, 

 St. Bartholomew's, Guy's, Middle- 

 sex, London, and St. Thomas's. 



IV Seven Gold Medals 

 awarded for excellence of 

 manufacture. 



Catalo£ue on Application. 



81 TOTTENHAM COURT ROAD, W. 



1901 1902 CATALOGUE 



OF 



MICROSCOPES 



and all Accessories for Collecting, Preparing and Storing 

 Specimens. Also particulars of our 



Micro-Slide Lending Department, 



Containing Complete Lists 0/ Specimens with descriptions 



written by Naturalists and Experts in the various 



branches of Microscopic Science. 



Post Free to Readers of ''Science-Gossip." 



C. BAKER, 2M HIGH HOLBORN, W.C. 



Microscopical and Lantern Slides 



Illustrative of every department of 



ZOOLOGY, 

 BOTANY, 

 GEOLOGY 



TEXTILE INDUSTRIES, 



Frona 6s. ^oz. 



Root Stpueture, Stem Strueture, Leaf and 



Floral Structure, Ovaries. Fruits, Seeds, &c. 



Cotton, Flax, Hemp, Jute, China Grass, 



Silk, Wool, &c. 



The Student's Series of Mieroseopieal Studies 



in Elementary and Advanced Botany, 



comprising 48 Preparations with Diagrams, 



;^i IS. net. 



The Type Preparations in this Series can only be 



supplied at the prices indicated. 



48 Preparations to illustrate the Histolog-y of 



the Rabbit, ;^i IS. net. 

 The Type Slides at the prices indicated. 



16 Preparations to illustrate the Histology of the 

 Freshwater Mussel, 12s. net. 



Single Slides, lod. 



11 Preparations to illustrate the Histology of the 

 Freshwater Crayfish, 8s. 3d. net. 



Single Slides, lod. 



20,000 Mieroseopieal Slides in Stock. 



6,000 LANTERN SLIDES FOR SESSION 

 1901-02. 



Slides to illustrate the Animal Kingdom ... 3,000 



,, ,, Vegetable Kingdom ... 2,000 



,, ,, Geology, Astronomy, &c. ... 813 



,, ,, the Textile Industry... ... 250 



New Microscopical List and Supplement to Lantern 

 Slide List now Ready. 



ABRAHAM FLATTERS, 



Gold Medallist in Microscopy and Photo-Micpography, 



16 & 18 Church Boad, Longsight, 

 MANCHESTER. 



Preparer of Textile Fibres and Demonstrator in Microscopy to the 

 Manchester Municipal Technical School. 



Send for Lists, free per post. 



