The Washington TrowelThis trowel has been used on many important occasions, the most notable being the laying of the Cornerstone of the National Capitol (by General Washington) in 1793, Washington Monument in 1848, and the Masonic Temple in Washington, D.C., by President Roosevelt, in 1907. 

The Washington Trowel
This trowel has been used on many important occasions, the most notable being the laying of the Cornerstone of the National Capitol (by General Washington) in 1793, Washington Monument in 1848, and the Masonic Temple in Washington, D.C., by President Roosevelt, in 1907.