The Hichwa-Rachor database contains one original bassoon of John Hasler. He flourished in London from a1830-p1844. In 1835 he was listed as a “Clarinet and Bassoon Maker.”
John Hasler Literature [Revised 8 February 2025]
Jansen, Will. The Bassoon: Its History, Construction, Makers, Players and Music, Vol. 1, 392. Buren: Frits Knuf, 1978.
Lasocki, David. “New Light on Eighteenth-Century English Woodwind Makers from Newspaper Advertisements, 102.” The Galpin Society Journal 63 (May 2010): 112–24.
Rice, Albert. Four Centuries of Musical Instruments: The Marlowe A. Sigal Collection, 175. Atglen, PA: Schiffer, 2015.
Waterhouse, William. The New Langwill Index London: Tony Bingham, 1993.
Hasler, John, 6 key bassoon; HaslerJ1-O-Sigal1991.01
HaslerJ1-O-Sigal1991.01 General Information