SCIENCE- G OSSIP. 



BAUSCH & LOMB'S 



LABORATORY, 

 BACTERIOLOGICAL 



ADVANCED 

 MICROSCOPE. 



MODEL B.B. 



THE POPULAR 



FAVOURITE. 



With Screw Substage, 

 Iris Diaphragm, 

 Coarse and Fine Ad- 

 justment, Brass 

 Stand, in Polished 

 Wood Cabinet, with 

 Lock and Key, 

 £5 0. 



HUYGHENIAN 



EYEPIECES. 



From 2" down to \" , 

 5/- each. 



A. E. Staiey & Co., 



35 Aldermanbury, 

 London, E.C. 



Bausch & Lomb's re- 

 presentatives for Great 

 Britain and Export. 



84-PAGE, FULL ILLUSTRATED DESCRIPTIVE 

 LIST, THREE PENCE TO CO VER POSTAGE. 



JftT As an instance of the High-class character 1 of our 

 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 New Edition of 

 ''Carpenter on the Microscope." 



SECOND-HAND 



MICRO-OBJECTS. 



An unique collection of over 

 3,000 



Picked specimens, including DIATOMS (several Type 

 Plates), INSECT PARTS, BOTANICAL and POLARI- 

 SCOPE objects, to be disposed of, consi ting of the finest 

 mounts by ENOCH, TOPPING, MOLLER. &c, late the 

 property of an eminent microscopist. 



Selections can be forwarded on approval, or the whole 

 collection viewed at 



C. BAKER'S 



244 HIGH HOLBORN, LONDON, W.C. 



N.B.— SINGLE SLIDES MAY BE SELECTED. 



JAMES SWIFT & SON, Opticians. 



(Seven Gold Medals awarded for Optical excellence.) 



£ s. d. 

 J in. Apochromatic N.A. i'3o 

 In ., ,, I- <P 



i .,, Pan-Aplanatic 



1 40 

 I- 3° 

 I- 3° 



e with 



New Pan-Aplanatic Condenser, N.A. i'oo, complet 

 fitting and stops .. .. .." 



New Pan-Aplanatic Condenser (oil) N.A. 1^40, complete 

 with fitting and stops 



Apochromatic Condenser, N.A .'95, complete with : 



and stops 



, • .. f N.A. i'oo 



Combinations! 



only 1 ;■;;.. 095 '.'. . " ....: 



fitting 



3 15 



5 10 



6 5 

 2 5 



4 ° 

 4 '5 



UNIVERSITY OPTICAL WORKS, 



81 TOTTENHAM COURT ROAD, LONDON, W. 



Microscopical and Lantern Slides 



Illustrative of every department of 



ZOOLOGY, 

 BOTANY, 

 GEOLOGY 



AND 



TEXTILE INDUSTRIES, 



From ©s. doz. 



Root Structure, Stem Structure, Leaf and 



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



Cotton, Flax, Hemp, Jute, China Grass, 



Silk, Wool, &c. 



The Student's Series of Microscopical 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 Histology 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, iod. 



11 Preparations to illustrate the Histology of the 

 Freshwater Crayfish, 8s. 3d. net. 



Single Slides, iod. 



20,000 Microscopical Slides in Stock. 



6,000 LANTERN SLIDES FOR SESSION 

 1901-02. 



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



>) >> Vegetable Kingdom ... 2,000 



» j ,, Geology, Astronomy, &c. ... 813 



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



New Microscopical List and Supplement to Lantern 

 Slide List now Ready. 



FLATTERS & GARNETT, LTD. 



Preparers of Textile Fibres and Demonstrator in Microscopy to the 

 Manchester Municipal Technical School, 



48 DEANSGATE, MANCHESTER. 



Laboratories: 16 & 18 Church Road, Longsight. 



IV Send for Lists, free per post. 



