Bench work in wood: a course of study and practice designed for the use of schools and colleges (1902)
Goss, W. F. M. (William Freeman Myrick), 1859-1928 · Boston, Ginn & company · leaf 140
es which may change from year to year. The outer portion of the trunk is called the sap-ivood,^ andit is usually lighter in color, and less strong and dense than theinterior portions, or heart-wood, The circulation of sap through the sap-wood occurs duringfavorable weather. In winter it is supposed… … 126 BENCH WORK IN WOOD. The heart-wood is nearly or quite impervious to sap, itsvessels being closed up, and the wood is dense and hard. Itis usually far more durable than sap-wood. Different kinds of trees, and different individuals of thesame species, have different proportions of sap-wood.…
Woodwork (Manual training)
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
