MICROSCOPES. 



R. & J. BECK, 



ESTABLISHED NEARLY 50 YEARS, 



HAVE DEVOTED GREAT CARE AND ATTENTION 

 TO THE MANUFACTURE OF 



ACHROMATIC MICROSCOPES 



TO SUIT THE 

 TASTE AND REQUIREMENTS OF PURCHASERS, 



WHETHER STUDENTS, 

 PROFESSIONAL MEN, OR AMATEURS. 



THEIR STUDENTS' MICROSCOPES 



ARE THE CHEAPEST MADE, COMBINING LOW PRICE WITH 

 EXCELLENT WORKMANSHIP. 



And the quality of the "Economic" Object Glasses is such thgt the 

 higher powers will resolve most of the difficult Diatomaceous 



Tests, and meet the wants of Medical Students, 

 By their Fine Correction, Superior Definition and Penetration. 



PRICE FROM 1 TO 10 10s. 



THEIR FIRST-CLASS STANDS ARE OF THE MOST COMPLETE CONSTRUCTION. 

 "VIDE" INTERNATIONAL MICROSCOPE ILLUSTRATED IN THIS VOLUME. 



COMPLETE ILLUSTRATED CATALOGUE, Price 2s. 6d. 



OR POST-FREE TO INTENDING PURCHASERS. 

 ILLUSTRATED DESCRIPTIONS OF THE 



"POPULAR" AND "ECONOMIC" MICROSCOPES 



UPON APPLICATION. 



R. & J. BECK, 



68 CORNHILL, LONDON, E.C. 



1016 CHESTNUT ST., PHILADELPHIA, U.S.A. 

 Factory: LISTER WORKS, HOLLOWAY, LONDON, N. 



