EQUIPMENT FOR FUMIGATING NURSERY STOCK 95 



lin Sherman, State Entomologist of North Carolina. 

 Build box of plain matched three-quarter inch ceiling, 

 making walls, top, and bottom double, with two thick- 

 nesses of rosin-sized or tarred paper between. Rein- 

 force the corners with 1^x3 inch stuff, and stiffen 

 the corners with 2x3 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 2x8 inch timbers, eleven feet long, are 



