AS CIRCULAR 249, U. S. DEPARTMENT OF AGRICULTURE 
breakage, they are strung on twine by punching a hole through the butt 
of the stem. Each end of the string is fastened to a lath and the laths 
are hung in the tiers of the curing barn. (See fig. 23.) 
AMA 1609 
Ficure 23.—Hanging laths of type 61 tobacco in the curing barn, Connecticut 
Valley district. (Courtesy of CircLE MaGaZINe.) 
The tobacco is watched closely during the curing process and the 
circulation of air is controlled by means of a system of ventilators. 
When these do not afford sufficient control over temperature and 
humidity, small charcoal fires are used, spaced at regular intervals 
under the tobacco. 
