a conversation tube by Rein, engraved 'F C Rein & Son patentees, sole inventors and only makers 108 Strand, London', silver plated bell with profuse engraving, polished turned ebony sections and flexible tube with woven silk covering, length 80cm; a pair of auricles, black painted brass and nickel plated sprung steel, unsigned; a telescopic banjo type ear trumpet, celluloid in imitation of tortoiseshell