Figure 20. An Electrically Heated and Lighited Apparatus Used for the 

 Whole Blood Agglutination Test. 

 Size 15 by 1.5 inches, by 14 inches deep. Construction consists of a wooden frame lined with 

 Cclotex and metal. Refer to question 40. 



Figure 21. Same Apparatus with Cover Removed. 

 The test plate (size 12 by 12 inches) slides into a removable frame which is covered with glass. 

 Refer to question 40. 



(20) 



