MORE INFORMATION
  Who invented the sackbut?                           
 The sackbut was possibly invented by Flemish makers for the French court in the 15th century. Its origins lie in the slide trumpet of the 14th century. The sackbut's name comes from the French "trompette saicqueboute" ("pull-push trumpet"). In the 19th century, the sackbut was known as the trombone.

another photo of sackbut .