 | American Railway Master Mechanics' Association - 1918 - 678 pages
...Sections 43 to 47, the following " Density Rule " may be applied where so specified by the purehaser: (a) Dense southern yellow pine shall show on either end...rings shall show at least one-third summer wood, all as measured over the third, fourth and fifth inches on a radial line from the pith. Wide-ringed material... | |
 | American Society for Testing Materials - 1920 - 868 pages
...II. PHYSICAL PROPERTIES. 3. Dense Douglas fir shall show on one end or the other an R»*« of Growth average of at least six annual rings per inch and at least one-;hird summ™r^ood°f summerwood measured over 3 in. on a line located as described hereinafter.... | |
 | Southern Pine Association - 1916 - 156 pages
...is understood that these two terms are descriptive of quality rather than of botanical species. (a) Dense Southern Yellow Pine shall show on either end...rings shall show at least one-third summer wood, all as measured over the third, fourth, and fifth inches of a radial line from the pith. Wide-ringed material... | |
 | 1916 - 1826 pages
..." dense southern yellow pine" and " sound southern yellow pine;" dense southern yellow pine should show on either end an average of at least six annual rings per inch and at least one-third summerwood, or else the greater number of rings should show at least one-third summerwood, all as measured... | |
 | Lionel Simeon Marks - 1916 - 1922 pages
...into "dense southern yellow pine" and "sound southern yellow pine;" dense southern yellow pine should show on either end an average of at least six annual rings per inch and at least one-third summerwood, or else the greater number of rinp should show at least one-third summerwood, all as measured... | |
 | 1916 - 806 pages
...materially impair its strength. 2. (a) Dense southern yellow pine shall show on either end D*HM Southern an average of at least six annual rings per inch and at least TtUowplB6one-third summer wood, or else the greater number of the rings shall show at least one-third... | |
 | Charles Henry Snow - 1917 - 564 pages
...characterized by brevity and simplicity, is as follows:i DENS1TY RULE FOR GRAD1NG SOUTRERN RARD P1NE " Dense Southern yellow pine shall show on either end...rings shall show at least one-third summer wood, all as measured over the third, fourth and fifth inches on a radial line from the pith. Wide-ringed material... | |
 | Charles Henry Snow - 1917 - 542 pages
...characterized by brevity and simplicity, is as follows: 1 DENSITY RULE FOR GRADING SOUTHERN HARD PINE "Dense Southern yellow pine shall show on either end...rings shall show at least one-third summer wood, all as measured over the third, fourth and fifth inches on a radial line from the pith. Wide-ringed material... | |
 | Charles Henry Snow - 1917 - 544 pages
...follows:1 DENSITY RULE FOR GRADING SOUTHERN HARD PINE "Dense Southern yellow pine shall show on cither end an average of at least six annual rings per inch...rings shall show at least one-third summer wood, all as measured over the third, fourth and fifth inches on a radial line from the pith. Wide-ringed material... | |
 | United States Shipping Board Emergency Fleet Corporation - 1918 - 40 pages
...full length, even if not two-thirds of the area as above, shall meet the requirements of this quality. "Wane not exceeding one-eighth of the dimension of...rings shall show at least one-third summer wood, all as measured over the third, fourth, and fifth inches of a radial line from the pith. Wide-ringed material... | |
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Under this heading two classes of timber are designated: (A) dense Southern yellow pine and (B) sound Southern yellow pine. It is understood that these two terms are descriptive of quality rather than of botanical species. (a) Dense Southern Yellow Pine... 
