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

 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