LUMBER MEASURE 

 LUMBER MEASURE 



31 



31. A board foot is the unit in measuring lumber. It 

 is a board 1 ft. square and 1 in. or less thick. It contains 

 144 sq. in. 



Lumber dealers usually speak of board feet as feet. 



EXERCISE 



1. On a board 6 in. wide, mark the length of a board that 

 will contain 144 sq. in. (a board foot). 



2. On a board 8 in. wide, mark the length of a board 

 that will contain a 



board foot. 



3. On a board 

 4 in. wide, mark the 

 length of a board 

 that will contain a 

 board foot. 



4. On a board 

 10 in. wide, mark 

 off a board foot. 



32. In billing lum- 

 ber, the number of 

 pieces are entered 

 first, then the thick- 

 ness and width in 

 inches, then the length in feet. In recording 5 pieces, 6 in. 

 thick by 8 in. wide and 16 ft. long, the form would be thus, 

 5 pc. 6" x 8" x 16'; 



and would be read off by a lumberman, "5 six-by-eight 

 16 ft. 77 Lumbermen use the sign (") for inches and (') for 

 feet, instead of writing inches and feet. 



3 Inches 



BOARD MEASURE 



