Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 32
Fie. 3. Blocks Showing Cross Grained, Partially Cross Grained, and Straight Grained Wood 18 CARPENTRY 0 … Section of Log ShowingHeartshake various names as heartshakes, windshakes, starshakes, andknots. Other defects are due to deterioration of the timber afterit has been in place for some time or even before the tree has beenfelled, among which are dry rot and wet rot. The defects ofthe first class…
Architecture · Building
Internet Archive · Kelly Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
