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International Exhibition Prize Medals and Awards, 1851, 1855, 1862. 1873, 1878; and 

 The Imperial Austrian Francis Joseph Order, for Excellence and Cheapness. 



M. PILLISCHER'S NEW MICROSCOPE, 

 "THE INTERNATIONAL," 



Is famished with B and C Eye-pieces ; a 5-8 and 1-1 Object-glasses of high defining and penetrating qnality, 

 combining (by a draw-tube) a series of eight different powers, from 50 to 420 diameters; bull's-eye con- 

 denser ; revolving diaphragm ; pair of tweezers ; plate-glass slips and thin covering glass, and a well-made 



mahogany box, 10 by 6 by 4, with lock and key Price £7 lOs. 



With the addition of A Eye-piece, 1^ or 2 in. Object-glass, Polarising Apparatus and 



Selenite, and a Camera Lucida Price £10 103. 



And all the Apparatus and Accessories, as described above, with the addition of a 

 I> Eye-piece and a 1-9 Object-glass, giving a Series of twenty-eight magnifying 



powers, from 15 to 1000 diameters .. Price £14 Os. 



A Glass Stage, to prevent the instrument from being affected by the use of corrosive 



chemicals, to any of the above instruments .. 12s. 6d. 



Illustrative Descriptive Catalogue on application to 



88, KTE^VT" B03Srr> STREET, LOISTIDOlsr, "Vir. 



FRED. ENOCK, 



Preparer of Insects, and Parts of Insects, for the Microscope, 

 With and Without Pressure, 



THE latter retaining NATURAL FORM AND COLOURS. 



FERNDALE, WOKING STATION. 



S:PEOX-A.Xj IJTOTICE- 



POWELL AND LE ALAND'S 



NEW OIL IMMERSION CONDENSER 



can be adapted to any Microscope, and resolves all the most difficult test objects — price 



Two Guineas. 



MICROSCOPES from £11 lis. to £200. 



The £11 11«. Instrument consists of l-inch and J-inch Object-glasses, with Apertures 

 of 30 and 95 deg. respectively, coarse and fine Adjustment, Glass Sta^e and Bull's-eye 

 Condenser, fitted in mahogany case, and is most suitable for Students, Brewers, &c. 

 WATER AND OIL IMMERSION LENSES. 



Manufactory: 170, EUSTON BOAD, LONDON, N.W. 



HISTOLOGICAL MICROSCOPE, 



"With l-inch. and |-inch. Objectives of splendid Definition, 

 Eye-piece, and Case, £5 10s. 



Full particulars free per post. 



Harley Binocular Microscopes, Dissecting Microscopes, Lamps, Objectives, Thin Glass 

 Slips, Mediums, and every requisite for the Study. 



THIRTY-SIX PAGE ILLUSTRATED CATALOGUE ON APPLICATION. 



CHARLES COLLINS, 



l£5'7'» GJ-resit Pox'tland Stx'eet, Londoxi, ^W. 



. W. P. CoLiiTNs' Science Book Depot, adjoining the above. Catalogue on application. 



