Key, Telegraph. Practice key for learnaing Morse code. Brass arms connected by rods and knarled screws. Ebony finger rest round 1" diameter. Mounted on a 1/4" polished wood base that is 7" by 3 1/4" Stamped in gold on the left hand front corner in a circle is J. H. Bunnell & Co. - 76 - Cortland, St., N. Y. Stamped in gold circle on the right hand corner is "Patent applied for"J. H. Bunnel & Co. 76 Cortland St.