a set of Rochhausen auricles, East German, c.1950, in Bakelite, in original box; A Rochhausen ear trumpet on black plastic, 1950s, in original box; a Royal ear trumpet, French, early 20th century, in silver plate with leather case, in velvet lined fitted case with a battery operated, nickel plated therapeutic noise emitting device; 'REEDUCATION AUDITIVE HARRYS', a set based on similar principles, French, early 20th century, a pair of auricles in celluloid, with a battery powered noise emitting device, in velvet and silk lined fitted case (4)
a set of Rochhausen auricles, East German, c.1950, in Bakelite, in original box; A Rochhausen ear trumpet on black plastic, 1950s, in original box; a Royal ear trumpet, French, early 20th century, in silver plate with leather case, in velvet lined fitted case with a battery operated, nickel plated therapeutic noise emitting device; 'REEDUCATION AUDITIVE HARRYS', a set based on similar principles, French, early 20th century, a pair of auricles in celluloid, with a battery powered noise emitting device, in velvet and silk lined fitted case (4)
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.jpg "Source: Christie's")
.jpg "Source: Christie's")
.jpg "Source: Christie's")
.jpg "Source: Christie's")
