There is 1 John Hale (1727-1800) bassoon in the Hichwa-Rachor database. He flourished in London from 1785 to 1804. He is mostly known as a key maker for Astor, Cahusac, Collier, Proser, G. Miller, and other makers.
John Hale Literature
Jansen, Will. The Bassoon: Its History, Construction, Makers, Players and Music. Frits Knuf, 1978 Vol. 1, p. 387.
Lasocki, David. “New Light on Eighteenth-Century English Woodwind Makers from Newspaper Advertisements”. The Galpin Society Journal, Vol. 63, May 2010, pp. 102.
Waterhouse, William. The New Langwill Index Tony Bingham, 1993.
Young, Phillip. 4900 Historical Woodwind Instruments. Tony Bingham, 1993.