7304-144 Lot of two STANLEY No. 23S declivity levels. Used particularly for boat builders, it has two sets of double vials in red and green. It has markings to indicate a ship's forward direction. Manufactured for one year only so one of Stanley's rarer rules. Both have some rust around vial assemblies but vials are complete and original. One has good wood, other has moderate wear. (GFE223, GFE307)