Additional information on the instruments and links to helpful resources may be accessed at: elisakoehler.com/brass-from-the-past/ This video is from a series of informational videos on historic brass instruments called "Brass from the Past," produced by Elisa Koehler and sponsored by a summer research grant from Goucher College. Special thanks go to Rick Seraphinoff of Indiana University for generously sharing his expertise and access to his workshop during the International Trumpet-Making Workshop in the summer of 2017 (www.seraphinoff.com/itw/).