USCH & LOMB 



JH 4 MICROSCOPE 



€JOui BH 4 model is equipped 

 with the same standard grade of ob- 

 jectives and eyepieces which we 

 use on our instruments of higher 

 price-we make but one quality. 



fJThis instrument has the lever 

 fine adjustment which gives great 

 delicacy combined with a slow 

 steady motion which is character- 

 istic of high grade instruments and 

 which is the result of the best 

 mechanical construction. 



•J The handle arm which permits 

 it to be carried from one place to 

 another without injury adapts it 

 particularly for use in the classroom. 



•I Complete with 16 mm. and 

 4 mm. objectives 5x and lOx eye- 

 lar dustproof nosepiece, mahogany case, list price 



ptive literature on request. 



Our Name en a Photographic Lens, 

 Microscope, Field Glass, Laboratory Ap- 

 paratus, Engineering or any other Scien- 

 i 'fc Instrument is our Guarantee. 



ch & Ipmb Optical (o. 



WASHINGTON CHIC AC O SAN FRANCISCO 



mdon fcOCH ESTER.. NY. rRANKroaT 



Cocoa 



Made front Cocoa Bean^ of 1 

 the Highest Grades onlyv f 



THE ACKNOWLEDGED STAffi)- 

 ARD OF THE WORLD. | 



Quality Higher than Price 



Price within the reach 1 

 of all. *j 



Cocoa sold? 



by dealers 

 everywhere in 25c, 15c 

 and 10c cans. 



Refracting and Reflecting 



Astronomical Telescopes 



Standard and Portable 



Visual and Photographic 



OBJECTIVES 



Computed by our associate 



DR. F. R. riOULTON 



(Chicago University) 



OBSERVATORIES 



Specula, Planes, Eyepieces, etc. 



Illustration shows 5-in. with pneumatic clock. 



Photographs and Circulars on request 



LOHHANN BROS. 



OREENV1LLE, OHIO : : : : U. S. A. 



