A Guide for Teaching the Scientific Method

Lincoln Pettit
1953 The American history teacher  
Teaching the Scientific Method 31 from my eye with the zero end of the stick down and level with a spot one foot from the base of the tree, where the tree will be cut. Without moving my head, I sighted to the point on the tree trunk where the top of the last usable log would be. I noted where this line of sight intercepted the stick. The marks on the stick indicate the number of sixteenfoot logs in the tree. Then I turned the stick in my hand and read the number of board feet which there are in the logs of each tree.
doi:10.2307/4438463 fatcat:vv4cekle6fczjhhtqcju3uqxqq