South African, c.1930s, each stampted 'VIBROPHONE CO' with patent no. and date 1930, also marked L & R, in velvet and silk lined fitted case with printed label 'S A VIBRAPHONE CO. 301 SMIT STREET P.O. BOX 2895 PHONE 44-3873 JOHANNESBURG', case 4cm across; with an Earmaster hearing aid, 1960s, gold plated custom made in-the-ear transistor hearing aid in original case, case 8.4cm across