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The valve trombone emerged concurrently with the invention of valves in the early 19th century. Most early instruments retained the shape and form of the slide trombone, employing three valves with the tubing arranged in place of the slide; others used the new valve mechanism as an opportunity to explore different configurations while retaining the overall cylindrical bore and bell profile.
Hagmann valve, in default (A) and engaged (B) positions, top (above) and side view (below). 1. air flow, from mouthpiece; 2. air flow, to bell; 3. air flow to and from valve tubing; 4. valve casing; 5. valve cap; 6. straight-path valve port; 7. valve ports, to tubing emerging at the top of the valve casing; 8. spindle axis of rotation.
Thayer axial flow valve on a tenor trombone. The axial flow valve, or Thayer valve, is a brass instrument valve design patented in 1978 by Orla Ed Thayer. [1] Designed with assistance from Zigmant Kanstul, it was originally intended to replace the traditional rotary valve on the French horn, but instead revolutionized the design of trombone valve attachments. [2]
Newly designed instruments were added each year and in 1898, the company was manufacturing a complete line of cupped mouthpiece brass instruments. Frank Holton , Henry Martin Jr., Henry Martin Sr., and F.A. Reynolds , pioneers of band instrument manufacturing, were all once employed at the early York factories at 3,5, and 7 North Ionia Avenue ...
[2] [3] By the time he was 34, Frank Holton was an accomplished trombone player and principal trombone of the Sousa Band, a role that would later be filled by Arthur Pryor. [4] In 1885 he had partnered with James Warren York in York & Holton, before he established his own company in 1898.
Shakanoosa Arms Mfg. Co. Rifles Shelby Iron Company: Shelby, Alabama: 1842 Iron plating SC State Military Works Greenville, South Carolina: 1861 Also "State Rifle Works" Spiller & Burr Macon, Georgia: Rifles Samuel Sutherland Richmond, Virginia: Rifles Tallassee Tallassee, Alabama.58 caliber percussion muzzle-loading carbines 500 Tarpley ...
The company first responded by expanding their lines of electronic musical products, developing the "Connsonata" electronic organ in 1946. They later introduced the "Connstellation" model wind instruments to revitalize those product lines (28M alto saxophone with help from Santy Runyon [ citation needed ] , 1948, and brass instruments, mid-1950s).
Leslie was purchased in 1989 by Watts Industries, Inc. of Andover, Massachusetts, which made water valves and was trying to increase its share of the valve industry. Leslie's 1988 sales were $33 million, Watts had sales of $181 million. [13] Leslie bought K&M Valve Company in 1995. [14]