© Kayla Nelson 2007    for individual use only


1680 probable invention of the traditional French cor de chasse (H, 27)

1682 earliest extant horns made by Haas of Nürnberg (F, 21)

c. 1700 changes to horn: wider bore size, more conical, funnel-shaped mouthpiece (J/B, 45)

c.1700 Johannes & Michael Leichamschneider in Vienna compress single-coil horn into 2-coiled horn (J/B, 45)

1700 Leichnamschneider brothers begin making the master crook and coupler system (H, 28)

1703 earliest extant reference to crooks, in a bill from M. Leichnamschneider (F, 32)

1750 first manufacture of the Inventionshorn by Dresden maker Johann Werner (H, 28)

1755 Isaak Eschenbach establishes a successful horn-building business in Markneukirchen (H, 40)

1760 earliest attempt to make a horn chromatic by mechanical means by Kolbel: Amor-Schall (M-P, 26)

1760s central tuning slide added to horn (F, 229)

1765-70 first appearance of the Orchesterhorn (F, 139)

1776 Johann Gottfried Haltenhof of Hanau am Main builds horn with double mouthpipe (J/B, 70)

1776 J.G. Haltenhof introduces the tuning slide to the Inventionshorn (H, 29)

1780 Parisian manufacturers Joseph & Lucien-Joseph Raoux make the "cor solo" with standard crooks G,F,E,Eb,D (H, 29)

1781 Carl Thürrschmidt improves Orchesterhorn by crossing tubes before bending them (F, 139)

1781 Thürrschmidt designs a cor de chasse with Raoux (F, 175)

1788 Charles Clagget patents a "chromatic French horn" (M-P, 26)

1795 Carl Thürrschmidt improves Hampl's non-transposing mute by allowing for stopping via a ball on a rod (F, 175)

1800 Parisian maker Wendel Sandhas improves process of curving conical tubes with use of molton lead (J/B, 32)

1800 manufacture of terminal crooks for each key in France (H, 29)

1811 hornist Christian Dikhuth applies a short trombone-like slide to the horn, an attempt to make the instrument chromatic (E1, 64)

1811-2 Friedrich Bluhmel begins experiments with what were apparently valves (E4, 36)

1813 Viennese trumpeter Anton Weidinger designs a keyed horn (E1, 65)

1813 A keyed horn by Schugt (E1, 65)

1814 Heinrich Stoelzel invents a valve which he applies to the horn (E4, 35)

1815 first omnitonic horn invented by J.B.Dupont in Paris (M-P, 57)

1817-8  Blühmel develops the box valve (E3, 36)

1818 Heinrich Stölzel & Freidrich Blühmel patent the valve in Berlin (M-P, 30)

1818 Dupont patents an improved model of omnitonic horn (M-P, 57)

1819 A.F. Sattler of Leipzig adds a 3rd valve and transfers valve location to left hand (J/B, 77)

1823 Joseph Riedl and Joseph Kail of Vienna patent the Vienna valve, a piston valve (E3, 2)

1824 John Shaw (England) patents a different valve design - "Transverse Spring Slides" (M-P, 35)

1824 Charles Sax designs an omnitonic horn in Brussels (J/B, 71)

1826 omnitonic horn built on compensating principle patented in France by Stuckens, significantly including a water-key (M-P, 57)

1827 Meifred & Jacques-Charles Labbaye produce a prize-winning improved valve horn (M-P, 33)

1827 Meifred adds tuning slides to individual valve tubes (S, 6)

1827 Blühmel attempts to patent new valve design - probably the first with rotary action (M-P, 37)

1827 Dauprat obtains a square-valved horn made by Schuster but finds it ineffectual (M-P, 33-4)

1828 development of the Berlin valve by Wilhelm Wieprecht of Berlin, used infrequently on horns (E3, 5)

1830 A-flat added to standard set of crooks of B-flat Alto, A, G, E & E-flat (M-P, 22)

1830 Leopold Uhlmann's Vienna valves are patented (H, 32)

1830 first English manufacture of valve horns by Pace (H, 39)

1830 omnitonic horns by Deshays, Stukkens & Meifred (J/B, 71)

1832 Joseph Riedl of Vienna gets patent for his Rad-Maschine, a rotary valvee (M-P, 39-41)

1834 Meifred & Deshays patent "valvules" but they are never put on the market (M-P, 47)

1835 piston vavle improved by Wieprecht w/ Berlin maker G.W. Moritz - "Berliner Pumpen" (M-P, 44)

1835 Halary invents a disk valve (M-P, 45)

1835 Joseph Riedl designs rotary valve (H, 33)

1838 John Shaw patents his "swivel valves for brass instruments" (M-P, 44)

1839 François Périnet invents piston valve, an improved version of the 1828 Berlin valve (E3, 5)

1845 Guiseppe Pelitti invents an omnitonic horn (H, 38)

1846 Invention of the Cornon, an ancestor to the Wagner tuba, in Koniggratz by Červeny (H, 41)

1847 P.L. Gautrot patents his first omnitonic horn (M-P, 60)

1849 Jules Halary makes horn with ascending 3rd valve (M-P, 35)

1851 "Radius French horn": an omnitonic horn designed by John Callcott in England (M-P, 61)

1854 Gautrot patents horn combining omnitonic system with 3 valves (M-P, 62)

1855 Perinet "perfects" the trompe de chasse (M-P, 48)

1857 Higham of Manchester patents direct-acting cranks w/ piston-like action (M-P, 41)

1858 Valves with dual windways made on the compensator principle invented in Paris (M-P, 49)

1860 Ligner invents the tenor cor (H, 42)

1862 "finger slides" patented by Samson (M-P, 47)

1864 Gautrot & Marquat in France patent a device called "systeme equitonique" -early compensating system (M-P, 49)

1865 an early compensating system is patented in England under name of Brooks (M-P, 49)

1866 Schreiber Cornet Manufacturing Co. of NY patents string-action valve (M-P, 41)

1869 E. Ford patents system with trombone-like slides operated by finger buttons (M-P, 48)

c.1870 Wagner has first Wagner tubas built (J/B, 96)

1870s Gautrot makes what is probably the last design of an omnitonic horn (M-P, 61)

1883 Gumbert makes F-alto/descant horn (AB, 226)

1897 compensating double horn by Gumbert (AB, 224)

1897 first prototype of double horn developed by Kruspe (E3, 9)

1898 double horn put on market by Gumpert/Kruspe (M-P, 51)

1900 Kruspe improves double horn by replacing two valves with one for F-B-flat change (M-P, 5)

1900 Schmidt (Berlin) produces double horn with thumb-operated piston for the change from F to B-Flat (M-P, 51)

1902 Kruspe builds full double horn (H, 35)

1906 Alexander of Mainz builds their first double horn (H, 35)

1906 Alexander builds Descant horn in high G (AB, 226)

1912 D.J. Blaikley patents a piston-valve double horn (M-P, 51)

1930 Paris maker Thibouville-Lamy makes & markets French double horn (M-P, 51)

1960s Paxman makes first triple horn (T, 55)