SCIENCE- GOSSIP. 



BAUSCH & LOMB'S Microscopical and Lantern Slides 



LABORATORY, 

 BACTERIOLOGICAL 



AND 



ADVANCED 



MICROSCOPE. 



MOUELi 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. Staley &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 C OVER POSTAGE. 



J^" As an instance of the High-class character 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." 



[MOW READY. 



1901 1902 CATALOGUE 

 MICROSCOPES 



and all Accessories for Collecting, Preparing and Storing 

 Specimens. Also particulars of our 



MICRO-SLIDE LENDING DEPARTMENT, 



Containing Complete Lists of Specimens with descriptions 



written by Naturalists and Experts in the various 



branches ot Microscopic Science. 



Post Free to Readers of "Science-Gossip." 



C. BAKER, IM HIGH HOLBORH, W.C. 



JAMES SWIFT & SON. 



Seven Cold Medals Awarded for Optical 

 Excellence. 

 NEW MODEL RESEARCH MIC 

 After Prof. DELEPINE. 



Consisting of the follow- 

 ing, viz.: Loar?e Adjust- 

 ment by Spiral Rack and 

 Pinion, Slow Movement 

 by Micrometer Screw, 

 Extra Large Stage, 

 Triple Dustproof Nose- 

 piece, §", J", and T V Ob- 

 jectives, Abbe 1 Condenser 

 with Iris Diaphragm and 

 Focussing Adjustment to 

 same, in Mahogdny 

 Cabinet, £15. 

 Illustrated List on 

 application. 



University Optical 

 Works, 



81 Tottenham Court Rd. 



Illustrative of every department of 



ZOOLOGY, 

 BOTANY, 

 GEOLOGY 



AND 



TEXTILE INDUSTRIES, 



From 6s. 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, 



£\ 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, £1 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 



)> j, 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-Micrography, 



16 & 18 Church Road, Longsight, 

 MANCHESTER. 



Preparer of Textile Fibres and Demonstrator in Microscopy to the 

 Manchester Municipal Technical School. 



Send for Lists, free per post. 



