This is a Goodell & Pratt 5 1/2 B was produced by G-P between 1898 and 1936, and based on the mahogany-finished hardwood handle could have been made around 1926. Still in great working condition with the dears meshing well and moving smoothly & freely. This model has has a speed adjustment for faster or slower drilling needs. Shows signs of age in shipped paint and wear from normal use. Being sold “as-is”, would be great for someone into restoring these ancianet treasures.