MASS. EXPF.RIMK.XT STATION BLT.LETIN 302 



Plate 1. — The Effect of Aging at 68° F. on Melting Resistance. 

 (0.4 per cent Gelatin Used.) 



1 — Aged 4 hours at 38° F. (control). 



2 — Aged 4 hours at 68° F. 



3 — Aged 24 hours at 38° F. (control). 



4 — Aged 4 hours at 68° F. plus 20 hours at 38° F. 



Plate 2. — The Effect of Initial Aging at 68° F. on Melting .Appearance. 

 (0.4 per cent Gelatin Used.) 



1 — Aged 24 hours at 3S° F. (control). 



2 — Aged 4 hours at 68° F. plus 20 hours at 38° F. 



