EQUIPMENT FOR FUMIGATING NURSERY STOCK 95 
lin Sherman, State Entomologist of North Carolina. 
Build box of plain matched three-quarter inch ceiling, 
making wal!s, top, and bottom double, with two thick- 
nesses of rosin-sized or tarred paper between. Rein- 
force the corners with 144 x 3 inch stuff, and stiffen 
the corners with 2 x 3 inch battens. 
Make the uprights of 2 x 6 inch stuff, and the two 
keying beams of 2 x 8 inch stuff, ceiling to be in con- 
FIG. 48—TYPE OF BOX USED BY SOME CANADIAN NURSERYMEN 
(AFTER LOCHHEAD) 
tinuous pieces, and all joints to be wiped with white 
lead and driven up close. Give the box two good 
coats of lead and oil paint, both inside and out, and 
repeat each year. The size of the box is ten feet long, 
forty inches high, thirty-six inches wide. Cover the 
upper edge of the box with heavy felt, glued down 
tight, so as to make a tight cushion-joint when top is 
down. Glue a two-inch wide strip of felt around the 
small opening near the bottom of the box. When cover 
is put on, the 2 x 8 inch timbers, eleven feet long, are 
