352 



APPENDIX. 



TABLE XVII. 



Showing the Specific Gravity of different kinds of timber. 



I. H. 



Box, _ 942 



Plum-tree, 872 



Hawthorn, 871 



Beech, 852 



Ash, 845 670 



Yew, 807 744 



Elm, 800 568 



Birch, 738 



Apple, 733 734 



Pear, 732 



Yoke-elm, 728 



Orange-tree, 705 



Walnut-tree, 660 



Pine, 657 763 



Maple, 645 



Linden-tree, 604 559 



Cypress, 598 



Cedar, 561 



Horse chestnut, 551 



Alder, 538 



White poplar, 529 



Common poplar, 383 387 



Cork, 240 



* # * The column I., in the above table, exhibits the specific gravity 



of different woods, adopted by the Annuaire du Bureau des Longitudes. 



The second column contains the results obtained by M. Karmarsch. 



