96 



PAINT TECHNOLOGY AND TESTS 



Series of Paint Chasers, Mixers, and Grinders 



was the first to give the principles from which it can be deter- 

 mined in advance whether a paint formula will prove to be physi- 

 cally good or bad in practice. 



" As has been before stated, he was not the first to recognize 

 the law governing minimum voids, but by that scientific use of 

 the imagination which Tyndall so highly commends, he recog- 

 nized, as by inspiration, the fundamental similarity existing 



Overhead Churn Mixer 



