Cyclopedia of architecture, carpentry, and building; a general reference work .. (1912)
American School (Lansing, Ill.) · Chicago, American school of correspondence · leaf 34
Fig. 8. Warped Board 23 14 CARPENTRY around the circumference of the log than along the radial lines, thelog must develop cracks around the outside as shown in Fig. 9.Such cracks are called checks. In timber which has been prepared … > Fig. 9. Log Showing Checks Fig. 10. Finished TimberShowing Checks for the market they show themselves in the form of cracks whichextend along the faces of solid squared timbers and boards, seriouslyimpau-ing their strength. Fig. 10 shows checks as they would appearin a square post or column.…
Architecture · Building
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