细节
A silver-plated Sonor-pattern ear trumpet,
impressed on the body ROYAL 29 Rue Orfila PARIS, with pierced grille, extension tube and simulated amber ear piece, 5½in. (14cm.) long, extended
See illustration
impressed on the body ROYAL 29 Rue Orfila PARIS, with pierced grille, extension tube and simulated amber ear piece, 5½in. (14cm.) long, extended
See illustration