The microscope, an indispensable tool in the laboratory, helps identify and 

 classify bacteria and other microorganisms. Inset: Streptococci as seen 

 under the microscope. 



Various aspects of nutrition < 

 impressive drumlike instrument 

 and other living material in smc 



Vinegar producers are always looking for better methods to improve their 

 product. Here the pH meter measures the amount of acid in a product 

 during fermentation. 



means better living for you 



Almost three hundred years ago, Antony van Leeu- 

 wenhoek, a Dutch hal^erdasher, with the utuisual hohbv 

 of grinding lenses, first observed through one of his 

 simple lenses, a group of tiny, independent, living organ- 

 isms in stagnant water and body fluids. It was not until 

 the last century, however, that bacteriology was taken 

 out of the "realm of purely philosophic speculations" 

 and made a modern, specialized branch of the science 

 world. 



On these pages the camera has given us an admirable 

 record of research in bacteriology and public health at 

 your state university. 



Nitrates and phosphates are n« 

 chemicals are measured by the 



The new Millipore Filter, the It 

 used here to test water. 



^ 



