 May not be classified as a defect. board foot — a unit of measurement represented by a board 1 ft long, 1 ft wide, and 1 in. thick. Abbreviation ft. bm; bd. ft., fmb.  A Secondary Arithmetic - Page 155by John Charles Stone - 1908Full view - About this book
 | David Martin Sensenig, Robert Franklin Anderson - Arithmetic - 1902 - 376 pages
...contents of a board 18 ft. long, 9 in. wide, and 1 in. thick. SOLUTION. 1 = the number of board feet in a board 1 ft. long, 1 ft. wide, and 1 in. thick. .... 18 X 1, or 18 = the number of bd. ft. in a board 18 feet long, 1 ft wide, and 1 in. thick. /.... | |
 | George E. Mercer - Arithmetic - 1909 - 312 pages
...how many 96. Oral. LUMBER The unit of lumber measure in the English system is the board foot. It is a board 1 ft. long, 1 ft. wide, and 1 in. thick. 1 BOARD FOOT Boards less than 1 in. in thickness are considered as being 1 in. thick. Above 1 in. the... | |
 | James Charles Byrnes, Julia Richman, John Storm Roberts - Arithmetic - 1913 - 468 pages
...OR BOARD MEASURE The unit of measurement of lumber is the board foot ; it is the amount of lumber in a board 1 ft. long, 1 ft. wide, and 1 in. thick. A board 18 ft. long, 1 ft. wide, 1 in. thick contains 18 board feet; a board 12 ft. long, 1 ft. wide,... | |
 | James Charles Byrnes - 1913 - 468 pages
...OR BOARD MEASURE The unit of measurement of lumber is the board foot; it is the amount of lumber in a board 1 ft. long, 1 ft. wide, and 1 in. thick. A board 18 ft. long, 1 ft. wide, 1 in. thick contains 18 board feet; a board 12 ft. long, 1 ft. wide,... | |
 | Florian Cajori - Arithmetic - 1915 - 464 pages
...table for material 2", 3", 4", 6", 8", 10", and 12" thick and varying in width. 322. A board foot is a board 1 ft. long, 1 ft. wide, and 1 in. thick. 1. How many board feet in a board 11 ft. long, 1 ft. wide, and 1 in. thick ? INCHES 1x2 1x3 1 x 4 1x5... | |
 | Florian Cajori - 1915 - 468 pages
...table for material 2", 3", 4", 6", 8", 10", and 12" thick and varying in width. 322. A board foot is a board 1 ft. long, 1 ft. wide, and 1 in. thick. 1. How many board feet in a board 11 ft. long, 1 ft. wide, and 1 in. thick ? INCHES 8 iio 11 16 18... | |
 | Harry Anson Finney, Joseph Clifton Brown - Business mathematics - 1916 - 506 pages
...in diameter and 32' deep ? 120. Board Measure. The board foot is the unit of lumber measure. It is a board 1 ft. long, 1 ft. wide, and 1 in. thick. The volume of a board foot is therefore, 144 cu. in. (except when the lumber is less than 1 in. in... | |
 | United States. Forest Service - Douglas-fir tussock moth - 1978 - 364 pages
...produces in living matter. Board foot (foot board measure, fbm): unit of measurement represented by a board 1 ft long, 1 ft wide, and 1 in thick. Bole: the trunk or stem of a tree. Branch area: area occupied by the foliated portions of a fir branch;... | |
 | Blue Mountains (Or. and Wash.) - 1991 - 424 pages
...species in a community. BLOWDOWN Trees uprooted by wind. BOARD FOOT Unit of measurement represented by a board 1 ft long, 1 ft wide, and 1 in thick. BOLE The trunk or stem of a tree. BROADCAST BURNING Allowing a controlled fire to burn over a designated... | |
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