Four anonymous bass chalumeaux or clarinets apparently dating from the eighteenth century and having from one to six keys also appear to be among the earliest examples, and one in certain has been recommended to this point from before 1750. However, the authenticity of at the least one of these gadgets has been questioned. Additional designs were developed by many other makers, adding Dumas of Sommières who called his tool a 'Basse guerrière' in 1807; Nicola Papalini, c. 1810 an odd design, in the variety of a serpentine series of curves, carved out of wood; George Catlin of Hartford, Connecticut 'clarion' c. 1810; Sautermeister of Lyons 'Basse orgue' in 1812; Gottlieb Streitwolf in 1828; and Catterino Catterini 'glicibarifono' in the 1830s. These last four, and a number of others of an identical period, had bassoon like folded shapes, and most had prolonged ranges. A immediately bodied instrument with out extended range was produced in 1832 by Isaac Dacosta and Auguste Buffet. Music is on occasion encountered written for the bass clarinet in A, e. g. in Wagner operas, and Mahler or Rachmaninov symphonies; this music also tends to be written in bass clef although not forever e. g.