FOR FIELD EXCURSIONS 



A PORTABLE MICROSCOPE 



is requii'ed that is really 

 l)ortab]e and sacrifices none 

 of the efficiency of tlie 

 bulkier instruments. 



Microscope APS has all the 



adjustments of our laboratory 

 instruments, with all their 

 accuracy and convenience of 

 manipulation — and the cost is 

 practically the same. 



APS 6 in carrying case weighs 

 8 lbs., 5 oz. 1 he carr3'ing case 

 is less than one-half the size of 

 a regular microscope case. I he 

 folding base is the only collap- 

 sible feature and there is no 

 inclination joint. 



APS has the lever side fine 

 adjustment (two heads) which 

 is simple in design and responds 

 instantl5\ It ceases to operate 

 when the objective touches the 

 specimen. 



Microscope APS 6 



Equipped with screw substage liaving iris diaphragm 

 with protective locking device, Abbe condenser, 1.20 

 N.A., in iris mount; 5 X and 10 X eyepieces; 10 mm 

 and 4 mm objectives on dust-proof nosepiece; com- 

 plete in carrying case _ _ . $48.00 



Bausch J5 Ipmb Optical (5. 



NtW YORK 



WAS HINGTO N 



CHICAGO 



SAN FRANCISCO 



LONDON liOCHESTEn, N.Y. ^I^ANKFORT 



