There are 2 J. Kraus bassoons in the Hichwa-Rachor database. Very little is known of this maker, but it is thought that he worked in Germany in the second half of the 18th Century. On his maker stamp there is an “I”, which could be an abbreviation for Johann that was common at that time.
J. Kraus Literature
Dullat, Günter. Verzeichnis der Holz- und Metallblasinstrumentenmacher auf Deutschsprachigem Gebiet von 1500 bis Mitte des 20. Jahrhunderts, Scheider, 2010.
Jansen, Will. The Bassoon: Its History, Construction, Makers, Players and Music. Frits Knuf, 1978 Vol. 1, p. 418.
Waterhouse, William. The New Langwill Index. London: Tony Bingham, 1993.
Young, Phillip. 4900 Historical Woodwind Instruments. Tony Bingham, 1993.
Kraus, J., 4 key bassoon; Kraus1-O-Stuttgart1991.452
Kraus1-O-Stuttgart1991.452 General Information
Kraus1-O-Stuttgart1991.452 Data Spreadsheet
Kraus1-O-Stuttgart1991.452 Photos
Kraus, J., 4 key bassoon; Kraus2-O-GNMNürnbergMI373
Kraus2-O-GNMNürnbergMI373 General Information