 In this and the following examples, answers to the nearest hundredth are sufficiently correct. 11. A cubic foot of platinum, the heaviest substance known, weighs 1365 pounds. A cubic foot of water weighs 62.5 pounds. How many times as heavy as water is...  A Practical Arithmetic - Page 89by George Albert Wentworth - 1897 - 413 pagesFull view - About this book
 | Samuel Hamilton - Arithmetic - 1907 - 422 pages
...kind of sawed timber as boards, planks, sills, etc. The unit of lumber measure is the board foot; it is a board 1 foot long, ' •• 1 foot wide, and 1 inch thick. NOTE. — Boards less than 1 inch in thickness are measured as if they were 1 inch thick. °NE BoARD... | |
 | Samuel Hamilton - Arithmetic - 1908 - 512 pages
...kind of sawed timber as boards, planks, sills, etc. The unit of lumber measure is the board foot; it is a board 1 foot long, 1 foot wide, and 1 inch thick. Draw it. NOTE. — Boards less than 1 inch in thickness are measured as if they were 1 inch thick.... | |
 | International Correspondence Schools - Building - 1909 - 750 pages
...measure — abbreviated BM — which is the surface of a board 1 inch in thickness, 1 foot BM meaning a board 1 foot long, 1 foot wide, and 1 inch thick. « 11. Rafter Tables. — In some of the newer designs of steel squares, the board measure is replaced... | |
 | William Ledley Vosburgh, William Frederick Gentleman - Mathematics - 1918 - 232 pages
...water in the tank weigh, when the tank is full? § 67. Board Measure. Lumber is measured in board feet. A board 1 foot long, 1 foot wide, and 1 inch thick contains 1 board foot. A board 2 feet long, 6 inches wide, and 1 inch thick also contains 1 board foot.... | |
 | United States Department of the Army - Military engineering - 1944 - 664 pages
...(See table XLVI.) (b) Lumber is usually sold by board feet (fbm: feet board measure), the unit being a board 1 foot long, 1 foot wide, and 1 inch thick. To compute the fbm in any rectangular timber, length in feet is multiplied by width in feet and by... | |
 | Michael A. Ritter - Bridges, Wooden - 1990 - 980 pages
...harden into a semisolid or solid state. Board foot. A unit of measurement of lumber represented by a board 1 foot long, 1 foot wide, and 1 inch thick, or its cubic equivalent In practice, the board foot calculation for lumber 1 inch or more thick is... | |
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