NEW SPENCER MICROSCOPE 



No. 404 



No. 40 Stand 

 Abbe Condenser 

 Two Iris Diaphragms 

 Triple Nosepiece 

 16 mm. (1-3 ") Objective 

 4 mm. (1-6 ") Objective 

 2 mm. (1-12") Oillm- 

 mersion Objective 

 Two Eyepieces 

 Mahogany Cabinet 



THE BEST 



MICROSCOPE EVER OFFERED FOR 



$75.00 



BECAUSE 



The lenses are unsurpassed 



The Stand is the product of the best of material and 

 workmanship 



The coarse and fine adjustments are the best made 



The fine adjustment is protected by a neat handle 

 provided for carrying the instrument 



The stage is large — 67 mm. free distance from the 

 optical axis to the base of the arm is the great- 

 est yet produced 



The stage is completely covered with vulcanite from 

 top to bottom 



SPENCER LENS COMPANY 



BUFFALO, N. Y. 



When answering advertisement mention Mycological Bulletin. 



