| | | | | | | | 6 by 3 | 14 | 13 | 75.6 | 411 | | | | | | | | | | | | 6 by 2 | 12 | 12 | 66.5 | 430 | | | | | | | | | | | | 6 by 2 | 10 | 11 | 55.0 | 423 | | | | | | | | | | | | 6 by 2 | 8 | 12 | 56.7 | 396 | | | | | | | | | | | | 2 by 2 | 2 | 186 | 75.5 | 569 | | | | | Norway pine | 6 by 7 | 5 | 29.0 | 1,928 | 905 | 2,404 | | | | | | 20 | 26.7 | 589 | | | 4 by 7 | 8 | 28.4 | 2,154 | 1,063 | 2,652 | | | | | | | | | | | 2 by 2 | 178 | 26.8 | | | 2,504 | | | | | | | | | | Red spruce | 2 by 2 | 58 | 35.4 | | | 2,750 | 2 by 2 | 2 | 43 | 31.8 | 310 | 30 | 32.0 | 758 | | White spruce | 2 by 2 | 84 | 61.0 | | | 2,370 | 2 by 2 | 2 | 46 | 50.4 | 270 | 40 | 58.0 | 651 | |-----------------------------------------------------------
------------------------------------------------------------------------------------| | Note.--Following is an explanation of the abbreviations used in the foregoing tables: | | F.S. at E.L. = Fiber stress at elastic limit. | | M. of E. = Modulus of elasticity. | | M. of R. = Modulus of rupture. | | Cr. str. at E.L. = Crushing strength at elastic limit. | | Cr. str. at max. ld. = Crushing strength at maximum load. | |-----------------------------------------------------------
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| TABLE XX                                                    TABLE XX                                                              |
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