IV 



THE MICROSCOPICAL JOURNAL ADVERTISEJR. 



|icroscopes, ^Tjjectives, & Accessories 



MANUFACTURED BY 



BAUSGH & LOMB 

 OPTICAL CO. 



ROCHESTER, N. Y. 



NEW YORK CITY. 



Gentlemen : 



I have received the //' Oil Im.inersion Objectives ordered for the Hqag- 

 land Laboratory, and 1 am very much jileased with them. 



I do not know of a better //' Oil Immersion Objective for bacteriologi- 

 cal work, and shall recommend this lens in future in j)reference to any 

 foreign objective of the saine cost. 



Yery truly yours. 



GEO. M. STEKNBERG. 



N. B. — The ten objectives referred to above are our Series I, Oil 

 Immersion, having N. A. 1.25, and were ordered for use in bacteriological 

 work in the Hoagland Laboratory, Brooklyn, N. Y. 



FACTORY AND MAIN OFFICE, 



531-543 North St. Paul Street, 



ROCHESTER, N. Y. 



P.O. DRAWER 1033. 



BRANCH OFFICE, 

 KULXON BUILDINO, 



NEW YORK CITY. 



p. O. BOX 432. 



Entered at the Poet Office at Washington, D. 0., as Seoond-clasa Matter. 



