Table 97. 



DENSITY OR MASS IN GRAMMES PER CUBIC CENTIMETRE AND 

 POUNDS PER CUBIC FOOT OF THE METALS. 



Table 98. 



MASS IN GRAMMES PER CUBIC CENTIMETRE AND IN POUNDS PER 

 CUBIC FOOT OF DIFFERENT KINDS OF WOOD. 



The wood is supposed to be seasoned and of average dryness. 



Wood. 



Alder . 

 Apple . 

 Ash . 

 Basswood. See Linden. 

 Beech . . 

 Blue gum 

 Birch . . 

 Box . . 

 Bullet tree 

 Butternut 

 Cedar . 

 Cherry 

 Cork . 

 F^bony . 

 Elm . 

 Fir or Pine, American 

 White 



" Larch . . 



" Pitch . . 



" Red . . 



" Scotch . 



" Spruce 



" Yellow . 



Grammes 



per cubic 



centimetre. 



0.42-0.68 

 0.66-0.84 

 0.65-0.85 



0.70-0.90 



0.S4 

 0.51-0.77 

 0.95-1. 16 

 1.05 

 0.38 

 0.49-0.57 

 0.70-0.90 

 0.22-0.26 

 I.II-I.33 

 0.54-0.60 



0.35-0.50 

 0.50-0.56 

 0.83-0.85 

 0.48-0.70 



0-43-O-53 

 0.4S-0.70 



0.37-0.60 



Pounds 



per cubic 



foot. 



26-42 

 41-52 



40-53 



43-56 



32-48 

 59-72 



65 

 24 



30-35 

 43-5(^ 

 14-16 

 69-83 

 34-37 



22-31 



31-35 

 52-53 

 30-44 

 27-33 

 30-44 

 23-37 



Wood. 



Greenheart . . . 



Hazel 



Hickory .... 

 Iron-bark . . . 

 Laburnum . . . 

 Lancewood . . . 

 Lignum vitas . . 

 Linden or Lime-tree 

 Locust .... 

 Mahogany, Honduras 

 " Spanish 



Maple 



Oak 



Pear-tree .... 

 Plum-tree . . . 

 Poplar .... 

 Satinwood . . . 

 .Sycamore . . . 

 Teak, Indian . . 

 '■ African . . 

 Walnut .... 

 Water gum . . . 

 Willow .... 



Grammes 



per cubic 



centimetre. 



0.93-1.04 

 0.60-0.80 

 0.60-0.93 



1.03 



0.92 

 0.68-1.00 



II7-I-33 

 0.32-0.59 



0.67-0.71 



0.56 



0.85 

 0.62-0.75 

 0.60-0.90 

 0.61-0.73 

 0.66-0.78 

 0.35-0.5 



0-95 

 0.40-0.60 

 0.66-0.88 



0.98 

 0.64-0.70 



1. 00 

 0.40-0.60 



Pounds 



per cubic 



foot. 



58-65 

 37-49 



37-58 

 64 



42-62 



73-83 

 2c^37 



42-44 



35 



53 

 39-47 

 37-56 



38-45 

 41-49 



22-31 



59 



24-37 



41-55 

 61 



40-43 

 62 



24-37 



* When the temperature is not given, ordinary atmospheric temperature is to be understood. 



t The density of titanium is inferential, and actual determination a year or two ago gave a lower value. 



+ The lower value for thorium represents impure material. 



Smithsonian Tables. 



87 



