Democratic Sentinel, Volume 16, Number 45, Rensselaer, Jasper County, 25 November 1892 — Echo Cornets. [ARTICLE]

Echo Cornets.

In an operatic performance in Paris the cornets are fitted with a' new echo apparatus, which differs from those hitherto devised in not altering the natural tone of the instrument. It is simply a small chamber of silvered copper so constructed as to produce the echo when adjusted to the mouth of the trumpet. , I; Valuable Postage Stamp. A postage stamp worth $5,000 has been discovered in Nsw York. '