 | Edward Olney - 1875 - 338 σελίδες
...15 in. wide ? Suggestion.-We have ** x ^V"" = ttJIJ«-il Why is it that in measuring boards we may multiply the length IN FEET by the width in INCHES, and divide the product by 12 to get the square feet ? 3. How many square feet in a load of boards in which there are 10 boards 12... | |
 | Horatio Nelson Robinson - 1875 - 486 σελίδες
...measure, hewn and round timber in cubic measure. When lumber is not more than 1 inch thick : RULES. 1. Multiply the length in feet by the width in inches, and divide the product by 12. When more than 1 inch thick : 2. Multiply the length in feet by the width and thickness in inches,... | |
 | James Bates Thomson - 1875 - 392 σελίδες
...is i foot long, i foot wide, and i inch thick. A Cubic Foot is 12 board feet. Hence, the RULE. — Multiply the length in feet by the width in inches, and divide the product by 12; the result will be board feet. NOTES. — i. If a board tapers regularly, multiply by the mean width,... | |
 | Jerome Bonaparte Washington - 1876 - 970 σελίδες
...decimal place, and the result will be the answer in wine gallons. How to measure boards. JiuLE. — Multiply the length (in feet) by the width (in inches) and divide the product by 12 — the result will be the contents in square feet. ' How to measure scantlings Joists^ planks* J///JT,... | |
 | Emerson Elbridge White - 1876 - 236 σελίδες
...the diameter. 5. To find the number of square feet in a board not exceeding one inch in thickness, Multiply the length in feet by the width in inches, and divide the product by 12. NOTES. — 1. If the board is 1i inches thick, add J of this surface measure ; if 11 inches thick,... | |
 | James Bates Thomson - 1876 - 400 σελίδες
...foot long, 1 foot wide, and I inch thick. A Cubic Foot is 12 board feet. Hence, the RULE.—Multiply the length in feet by the width in inches, and divide the product by 12; f:-.e result will be board feet. NOTES.—1. If a board tapers regularly, multiply by the mean width,... | |
 | Edward Brooks - 1877 - 438 σελίδες
...is estimated in cubic feet; hewn timber, as beams, etc., either in board or cubic feet; lumber and sawed timber, as planks, scantling, joists, etc.,...— To find the contents of a plank, joist, etc., multiply the length in feet by the width and thickness in inches, and divide the product by 12. NOTES.... | |
 | Edward Brooks - 1877 - 250 σελίδες
...is estimated in cubic feet; hewn timber, as beams, etc., either in board or cubic feet; lumber and sawed timber, as planks, scantling, joists, etc.,...— To find the contents of a plank, joist, etc., multiply the length in feet by the width and thickness in inches, and divide the product by 12. NOTES.... | |
 | Edward Brooks - 1877 - 444 σελίδες
...is estimated in cubic feet; hewn timber, as beams, etc., either in board or cubic feet; lumber and sawed timber, as planks, scantling, joists, etc.,...find the contents of a board, multiply the length in feel by the width in inches, and divide the product by 12. Rule II. — To find the contents of a plank,... | |
 | 1877 - 662 σελίδες
...decimal place, and the result will be the answer in wine gallons. How to measure boards. RULE. — Multiply the length (in feet) by the width (in inches) and divide the product by 12 — the result will be the contents in square feet. How to measure scantlings, joists, planks, sills,... | |
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RULE. — Multiply the length (in feet) by the width (in inches) and divide the product by 12 — the result will be the contents in square feet. 
