Bang & Olufsen - Henrik Sørig Thomsen - Analogue telephone - BeoCom 6000 - Plastic, Aluminium - Bang & Olufsen
Philips, Telefunken - Thermionic valve - Philips, Siemens, General Electric, Telefunken Audio component - Multiple models
His Masters Voice - HMV 101 - Révisé - Tête N°4 en laiton - Années : 1925-1931 - 78 rpm gramophone player