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PAINT TECHNOLOGY AND TESTS 



Lumbang Oil, which is obtained from a tropical species of 

 Tung, is very similar in appearance and properties to Linseed 



CONSTANTS OF TUNG OILS 



Menhaden Oil. Of all the marine-animal oils, such as seal, 

 herring, sardine, whale, and menhaden, the latter is the most 

 valuable. It is produced by steam digestion and pressure of the 



Photographs courtesy Alpin I. Dunn 



Menhaden Net drying in the Sun 



menhaden or " piogey " fish, which are caught in great quantities 

 off the Atlantic Coast. Prompt cooking and treatment of the 

 fish results in a light-colored oil having very little odor, the residue 

 left in the presses being of great value as a fertilizer. Although 

 several grades of oil termed crude, brown, light, etc., are produced, 



