Electromuse was an American brand of musical instruments made from the 1930s to 1950s. While best known for their paddle shaped lap steel guitars, Electromuse also offered Spanish acoustic-electric guitars and amplifiers. Electromuse tube amplifiers were typically made by Valco and often came as part of a package deal which included a color matched lap steel guitar. The Electromuse Eye-Beam pickup  used on their lapsteels was also sold as a sound-hole pickup for acoustic guitars.

Source: Wikipedia - Electromuse (9 April 2017)