Accession number: SCM 04.09.17.305
Date: 1918 – 1950
Materials: metal, plastic
Measurements: 20 cm L x 18 cm WApprox. msmts
Metal section or earphones engraved; Brandes Made in U.S.A. + Superior Pats. Pending Matched Tone Trademark. Reg U.S. Pat off
Description: Spring metal pieces attached to two circular metal and plastic pieces. Plastic has holes in it. Wire with two prongs on one end. Wire attached to metal pieces. Brandes - Matched Jone - Made in U.S.A
History of Use: One pair of earphones from circa mid 20th century; possibly used to listen to Morse Code.