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The Wagner tuba is a narrow-bore tuba with a French-horn mouthpiece. Tubas appeared first in Berlin in the 1820s, soon after the invention of the valve. They were soon accepted into the band and orchestra, displacing the serpent, ophicleide, and other such instruments of poorer tone quality and intonation.
Home > Miscellaneous Articles > Collector's Guide to Opera Glasses: History, Structure and More. By Merav Schejtman-Gilai. History of Binoculars. The first binoculars that were made of two parallel telescopes, were created in 1608 by the Dutch optician Hans Lipperhey.