Show measuring lumber the diagram and calculation by which you show that a log six inches in diameter and ten feet beet long would yield 13 13 1 3 teet feet of board measure are gulte correct by applying the doyle rule the result Is 2 feet board measure as stated in a previous issue satisfactory is log og rules are difficult to ta construct and the doyle rule which Is most widely used in canada Is especially at fault in the measuring of small logs as the above figures show the scribner rule Is more nearly ac chiate tor for small email logs for a log six inches in diameter and 12 teet feet long the doyle rule accords 13 teet feet board measure and the scribner rule 14 feet v a hile bile the actual amount that may be sawed out Is 16 teet feet in the mesa meas brement of logs 20 to 30 inches in diameter the results from the applina tion of 0 the two rules do not differ materially lops logs more than 30 inches in diameter will show a higher yield by the doyle than by the scribner rule |