FINE INKS ^ ADHESIVES 



For those who KNOW 



Higgins' 



Drawing Inks 

 Eternal Writing inic 

 Engrossing ink 

 Taurine Mucilage 

 Photo Mounter Paste 

 Drawing Board Paste 

 Liquid Paste 

 Office Paste 

 Vegetable Olue, Etc. 



Are the Finest and Best Inks and Adhesives 



Emancipate yourself from the use of corrosive and 

 ill -smelling inks and adhesives and adopt the 

 Higgins Inks and Adhesives. They will be a 

 revelation to you, they are so sweet, clean, well 

 put up, and withal so efficient. 



At Dealers Qenerally 



CHAS. M. HIGGINS & CO., Mfrs. 



Branches: Chicago. London 

 271 Ninth Street Brooklyn, N.Y. 



Appearance — 



No Sign of Pen Value 



To many of the millions of 

 users most pens look very m 

 alike. So you should be guided by 

 safer criterion than looks. 

 The safest gauge of value is success^ 

 purchasers of Esterbrook Pens (successfi 

 for over half a century) have the comf 

 feeling that satisfaction is assured. 

 No. 3 1 3 shown here is only second in popi 

 the famous Jackson Stub, No. 442, having 

 broader, moderately elastic, medium point. 

 Send 10c for useful metal box containing 

 samples of the 12 most popular Elsterl 

 Pens, including the famous 048 Falcc 

 the most popular pen in the world. 

 ESTERBROOK STEEL PEN MFG. CO 

 24-70 Cooper St.. Camden. N. 



EsterbrooK 



I>:foba.te No. 313 



Notable Elements of 

 Special Interest 



as well as optical efficiency and practi-: 

 cality distinguished many of the new 

 models in the wide line of 



^auscn" lomb 



Microscopes 



Among the recent improvements suggested by 

 our more than 60 years of optical experience are 

 our lever type of side fine adjustment, the unusual 

 space for manipulation afforded by the curved 

 handle arm, and the seamless rubber which com- 

 pletely covers the stage. 



Model FS2 (illustrated) has our lever side fine adjustment 

 with extremely delicate movement for high powers. It is . 

 eminontly fitted for classroom or research work. Price 

 $34.00. 



Other compound microscopes from $18.00 up — simple 

 microscopes from $2.50 up. 



Special Terms to Educational Institutions 



Write for our descriptive catalog, fully illustrated 

 and giving prices of all models 



gausch £? Ipmb Optical (5. 



412ST. PAUL STREET ROCHESTER, N.^ 



Leading American Makers of Photographic Lenses {Tessar & 

 Protar), Projection Lanterns (Balopticons), Engineering Instru- 

 ments, Stereo-Prism Binoculars, and other high-grade optical 1 

 products. 'T 



