-MASS. EXPERIMENT STATION BULLETIN 323 



Figure 2. An Electrically Heated and Lighted Apparatus Used for the Whole 

 Blood Agglutination Test. 

 Size 15 by 15 inches, by 14 inches deep. Construction consists of a wooden frame lined with 

 Celotex and metal. 



Figure 3. Same Apparatus with Cover Removed. 

 The tesf plate si/c 12 by 12 inches) slides into a removable frame which is covered with glass. 



