The hardwoods are not so simple in structure as softwoods.
"Seasoning of Wood"
Joseph B. Wagner
These are generally classed as "softwoods," and are more extensively scattered and more generally used than any other class of timber, and are simple and regular in structure.
"Seasoning of Wood"
Joseph B. Wagner
This can be accomplished with most of the softwoods, but not as a rule with the hardwoods, as they are injured by the temperature necessary.
"Seasoning of Wood"
Joseph B. Wagner