KODAK FINISHING 



We Guarantee to get the best possible results from 



your exposures. Mail orders attended to 



promptly. Catalogue and Price List Free 



The Smith Sporting Goods Company 



TUCSON, ARIZONA 



EFFICIENCY 



The Principles of Scientific Shop Management 



as Applied to the Printing 



Business 



WE manufacture The Plant 

 World. In addition we 

 produce twenty-five other 

 scientific and technical publications 

 and a large number of books and 

 catalogues 



^ All are handled on a definite sched- 

 ule maintaining the highest standard 

 of mechanical workmanship 



WILLIAMS & WILKINS COMPANY 



2419-2421 YORK ROAD 

 BALTIMORE 



U. S. A. 



