Maker Johann Samuel Stengel (1771-1826)
Dated/City c.1810 / Bayreuth
Key/Pitch (MHz) *5 keys Clarinet in Bb
Descriptions Boxwood, Ivory ferrules, *5 brass keys with flat, octagonal key covers; springs attached to keys mounted in blocks.
Full Marking ” (in circle) (not readable)  / (crown) / .STENGEL.  / .BAYREUTH. / v B v: lower joint
Additional Marking
  • ” (crown) / .STENGEL.  / .BAYREUTH. / v B v– barrel, middle joint, and bell
  • ” (crown) / .STENGEL.  / .BAYREUTH. / v v ”  – upper joint (first marking)
  • v B v ” – upper joint (Second marking)
Length   660 mm. /  590 mm. (without mouthpiece)
*Note: g# later added, including c#/g#, side e flat /b flat, cross e flat/b flat, b flat/ f keys but later  removed and tone holes plugged