Spring Joint Log Rule

Lufkin Spring Joint Log Rule, Doyle Scale

For scaling logs or common measuring. Pocket-sized: 5/8˝ wide, 7-1/2˝ long, 48˝ long open. Folding end hook. Black graduations on white background. Doyle, with scale volumes for 10´, 18´ logs one side, 12´, 14´, 16´ logs other side.