XXXIX.]
ABSTRACT TABLES.
333
Table CLXXII.
Showing the woods which have been experimented upon, arranged in numerical order of vertical strength, and the comparative vertical strength, English Oak being—1.000, abstracted from the tables accompanying the description of the various kinds.
| Name of the Wood | Numerical order of the verit- cal strength |
Vertical force required to crush 1 square inch of base |
Comparative Strength English Oak being =1.000 |
Name of the Wood | Numerical order of the verit- cal strength |
Vertical force required to crush 1 square inch of base |
Comparative Strength English Oak being =1.000 |
| lbs. | lbs. | ||||||
| Greenheart | 01 | 15,275 | 2.000 | Blue Gum, Australia | 19 | 6,995 | .915 |
| Chow | 02 | 12,591 | 1.648 | Ash, English | 20 | 6,964 | .912 |
| Kapor | 03 | 11,939 | 1.561 | Oak, White American | 21 | 6,964 | .912 |
| Pyengadu | 04 | 11,665 | 1.527 | Pine, Pitch, American | 22 | 6,462 | .847 |
| Iron-bark | 05 | 10,306 | 1.348 | Teak, Moulmein | 23 | 6,357 | .832 |
| African | 06 | 10,244 | 1.341 | Mahogany, Honduras | 24 | 6,160 | .806 |
| Pingow | 07 | 10,167 | 1.331 | Larch, Russian | 25 | 5,985 | .783 |
| Tewart | 08 | 9,397 | 1.229 | Mahogany, Mexican | 26 | 5,898 | .772 |
| Elm, Canada | 09 | 9,098 | 1.161 | Oak, Baltimore | 27 | 5,891 | .771 |
| Sabicu | 10 | 8,873 | 1.161 | Kauri, New Zeland | 28 | 5,880 | .769 |
| Mora | 11 | 8,539 | 1.117 | Oak, Sardinian | 29 | 5,833 | .763 |
| Hornbeam | 12 | 8,312 | 1.087 | Elm, English | 30 | 5,784 | .757 |
| Oak, French | 13 | 7,945 | 1.040 | Ash, American | 31 | 5,495 | .719 |
| Oak,„ English | 14 | 7,6471 | 1.000 | Oak, Tuscan | 32 | 5,459 | .714 |
| Oak,„ Dantzic | 15 | 7,560 | .990 | Fir, Spruce | 33 | 4,852 | .635 |
| Mahogany, Cuba | 16 | 7,280 | .953 | Pine, Red, American | 34 | 4,738 | .620 |
| Jarrah | 17 | 7,164 | .937 | Fir, Riga | 35 | 4,724 | .618 |
| Fir, Dantzic | 18 | 7,105 | .930 | Cedar, Cuba | 36 | 4,480 | .586 |
