A Stratton Brothers Level 28” in length. It was patented in Greenfield,Ma. In May 22, 1888. Believed to be rosewood? It’s brass bound and has an end cap stamped No#1. On the top brass plate is Stamped “Stratton Brothers Greenfield Ma. With an Eagle Crest” Both glass tubes have liquid in them. This was one of the Premier levels of early 19th century. Still much sought after today.