38 
American Butter Factories. 
Fig. 29. — "National" Milk-coolers. 
A Cooler, for water (N) and ice (0). 
K rooler arranged for mtroducms water by 
^ means oT^lypbons E. E, fixing on tubes 
I), U-J . — . ■ > 
C. Cover. 
F. Strainer. 
G. Body of cooler. 
H. H. Carrying-cans with coolers floating on 
Fig. 30.— Carrying-Can for Milk, with its aj>purtenances. 
A. Can with cooler and strainer set In place, 
B. Coolt r. 
C. Strainer. 
D. Cover of can. 
E. Iron bottom of can. 
