 | John Groesbeck - 1868 - 350 σελίδες
...is measured in even inches, odd inches not being counted. 400. To measure boards. RULE.—Multiply the length in feet by the width in inches, and divide the product by 12; the quotient will be the number of square feet. When the board is more or less than 1 inch thick, add... | |
 | John Groesbeck - 1869 - 372 σελίδες
...beams, &c., is measured in even inches, odd inches not being counted. 400. To measure boards. RULE. — Multiply the length in feet by the width in inches, and divide the product by 12 ; the quotient will be the number of square feet. When the board is more or less than 1 inch thick,... | |
 | Emerson Elbridge White - 1873 - 260 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 1J inches thick, add J of tins surface measure; if 14 inches thick, add... | |
 | John Groesbeck - 1871 - 370 σελίδες
...beams, &c., is measured in even inches, odd inches not being counted. 400. To measure boards. RULE. — Multiply the length in feet by the width in inches, and divide the product by 12 ; the quotient will be the number of square feet. When the board is more or less than 1 inch thick,... | |
 | John Groesbeck - 1872 - 374 σελίδες
...beams, &c., is measured in even inches, odd inches not being counted. 400. To measure boards. RULE. — Multiply the length in feet by the width in inches, and divide the product by 12 ; the quotient will lie the number of square feet. When the board is more or less than 1 inch thick,... | |
 | Ezra S. Winslow - 1872 - 256 σελίδες
...6.13 .94 5.63 2.25 3.55 10.51 5.31 MENSURATION OF LUMBER. To find the contents of a board. RULE. — Multiply the length in feet by the width in inches, and divide the product by 12 ; the quotient will be the contents in square feet. EXAMPLE. — A board is 16 feet long and 10 inches... | |
 | John Groesbeck - 1873 - 376 σελίδες
...is measured in even inches, odd inches not being counted. 400. To measure boards. RULE.—Multiply the length in feet by the width in inches, and divide the product by 12; the quotient will be the number of square feet. When the board is more or less than 1 inch thick, add... | |
 | Daniel W. Fish - 1874 - 542 σελίδες
...are commonly estimated in cubic measure. 479. When lumber is not more than 1 inch thick : RULE. — Multiply the length in feet by the width in inches, and divide the product by 12. 480. When more than 1 inch thick : RULE. — Multiply the length in feet by the width and thickness... | |
 | Edward Brooks - 1874 - 352 σελίδες
...is generally measured by the ton, though eometimcs it is estimated by board measure. 511. RuLE.;4^. To find the contents of a board, multiply the length in feet by the width in feet, or, Ij. I Multiply the length in feet, by the width in inches, and divide the product by 12.... | |
 | Horatio Nelson Robinson - 1875 - 468 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,... | |
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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. 
