Page:Architectural Review and American Builders' Journal, Volume 1, 1869.djvu/635

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I860.] Tabular Statement of Weights of Timber, 511 TABULAR STATEMENT OF WEIGHTS OF TIMBER. DESCRIPTION. Specific gravities. .845 Weight of 1 cubic inch in lbs. .031 Weight ofl cubic foot in lbs. Comparative weight of 1 cubic foot. Weight or force re- quired to tear asunder 1 square inch in lbs. avoir. Length of a rod, which, if suspended, would be torn asunder by its own weight, in linear feet. Oreen. lbs. oz. Seasoned, lbs. oz. Ash . 52.81 5S.00 50.00 14,130 39,050 Beech . .852 .031 53.25 58.00 50.00 12,225 38,940 Birch . .120 .026 45.00 15,000 Cedar . .561 11,400 Cherry . .115 .026 44.68 Cypress .644 .023 40.00 6,000 Elm . .800 .024 42.00 66. OS 31.05 9,5f,0 40,500 Fir, Riga 48.12 35.08 12,000 " Yellow . .651 .023 41.00 12,800 " White - .569 0.21 35.56 " American 44.12 30.11 8,800 m < A Live Oak 1.110 .040 10.00 11,880 Mahogany . 1.063 .038 66.44 21,000 Maple . .150 .021 66.81 10,500 Mulberry .891 .022 56.01 Oak, English .912 .033 58.25 11.10 43.08 10,000 " Seasoned 13,600 " Amei White .026 45.02 11,500 32,900 Pine, Yellow .660 .024 41.25 " White . .554 .020 34.62 10,000 " Pitch . 12,000 Poplar . .383 .014 24.25 1,000 Walnut .611 .024 42.00 1,800 L Willow .585 .021 36.56 13,000 Ash .122 .026 45.12 Beech . .624 .023 39.00 ■"o Cherry .606 .022 38.00 GJ Hickory, Red .838 .030 52.31 White Oak (Upland) .681 .025 43.00 cu " James River .159 .021 41.44 £ Pine, Yellow " White . .541 .413 .020 .011 34.00 30.00 Poplar . .581 .021 36.10