细节
A fine silver-plated copper and brass ear trumpet,
with maker's label embossed FRANCK-VALERY 9, Rue Richepanse, 9. Paris, the resonator bell with pierced grille incorporating the maker's monogram, the tapering tube with detachable end 16¼in. (41.3cm.) long
See illustration
with maker's label embossed FRANCK-VALERY 9, Rue Richepanse, 9. Paris, the resonator bell with pierced grille incorporating the maker's monogram, the tapering tube with detachable end 16¼in. (41.3cm.) long
See illustration