International Instrument Co., 



MAKERS AND DEALEkS IN 



HIGH GRADE SCIEMTIFIC 



LABOJIATOJIY APPARATUS, 



Elevating Tripod 

 Stand 

 with 

 Universal Adjustable 

 Stationary 

 Supports. 

 Send for Bulletin on 

 this. 



International Instrument Co., 



25 Church St., Cambridge, Mass. 



