The scale length is also within the standard mandolin scale; between 13 inches (330 mm) and 13+7⁄8 inches (350 mm).

They advertised using scientific principles to create vibrations, power and volume as well as sustained sweet and mellow tones, all in the same instrument.

[1] Weymann and Son was a Philadelphia company, manufacturers of Weymann and Keystone State musical instruments.

[1] They manufactured the mandolute during the early 20th century.

Young men and women, sitting around in a formal parlor setting, playing music together on Weymann Mandolins, dancing together around a Victrola record player.