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History: Methods of Cutting Logs Into Lumber and Veneers

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!Plain-sawed and Quarter-sawed Lumber 
There are three methods used in producing lumber from logs so as to obtain economical utilization or develop the beautiful grains and figures found in the various kinds of trees, namely, (a) Plain-sawed, (b) Quarter-sawed, and ( c) Veneers. When the log is sawed lengthwise and tangent to the annual growth rings or at right angles to the medullary rays the cut is called "plain-sawed" lumber in hardwoods and "flat-grain" or "slash-grain" lumber in softwoods. This is the most economical manner of producing lumber with the least waste. Also in many trees such as ash, chestnut, elm, and most softwoods ( conifers) the plain-sawed method shows the best grain and figure in the wood. When the log is sawed parallel to the radius or rays, across the rings from the bark to the center, the cut is called "quarter-sawed" in hardwoods and "edge-grain," "vertical-grain" or "rift-sawed" lumber in softwoods. Some species have very prominent medullary rays which accounts for the beautiful figure shown in such quarter-sawed woods as oak, maple, and sycamore. 

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Information	Version
01-30-2019 04:42 admin image ref	18
10-27-2018 21:26 admin ref	17
07-16-2018 18:55 admin added biblio	16
07-13-2018 08:38 admin remove biblio	15
07-12-2018 21:10 admin biblio	14
07-12-2018 21:09 admin added reference	13
07-12-2018 21:08 admin biblio	12
07-12-2018 21:04 admin layout	11
07-12-2018 21:01 admin added lumber image	10
07-12-2018 20:20 admin added head 1	9
07-12-2018 20:16 admin added veneers	8
07-10-2018 21:19 admin added veneer	7
07-08-2018 09:32 admin bold type	6
07-08-2018 09:32 admin format	5
07-08-2018 09:27 admin img Plugin modified by editor.	4
07-08-2018 08:17 admin space	3
07-08-2018 08:15 admin tag edit	2
07-08-2018 08:14 admin page creation	1