He assisted with the British contribution to the 1987 exhibition of Stradivari instruments in Cremona to commemorate the great violin maker's 250th anniversary; and in 2005 he helped the Royal Academy of Music to purchase the "Viotti ex-Bruce" Stradivarius.
Baron Johann Knoop (22 July 1846, Moscow – 1882, St. Magnus), was a collector of musical instruments who possessed a total of 29 great violins, violas, and cellos at one time or another including some four Stradivari violas.
The FAVS Stradivari is a bullpup carbine series manufactured by FAVS - Fabbrica d'Armi Val di Susa S.N.C. (Susa Valley Arms Factory, Ltd.) located in the town of Villar Focchiardo, and owned by the expert gunmaker Edi Guglielminotti.
It includes detailed chapters on the history and development of the violin family, old master Italian violin makers (including the Stradivari and Guarneri families) and an analysis of the bows of Francois Tourte.
Tielke's existing oeuvre is therefore one of the most comprehensive and by number close to that of Stradivari and the other great Italian makers.
He used a large number of diverse models but principally those of Stradivari Amatise and other models of Guarneri, Balestrieri, Guadagnini, Gagliano, Enrico and Giovanni Battista Ceruti or other violin makers from Veneto in the 18th century.
She was the founding member of the "Antonio Stradivari" Violin and Bow Makers Consortium of Cremona.
Machold had branch establishments in Vienna, Zurich (Geigenbau Machold GmbH and Cadenza AG), Alpnach (Bomalu AG), Bremen, Berlin, New York City, Aspen, Chicago, Seoul and Tokyo, buying and selling, among others, Stradivari and del Gesù violins.
•
In the spring of 2007, Machold obtained a price of more than 10 million Euros for four Stradivari violins.
In recent times, the NJSO became known for its purchase of 30 string instruments, including several made by Stradivari, for its string players, purchased from the collection of Herbert R. Axelrod in 2003.
His best instruments are meticulous copies of famous Stradivari and Guarneri designs.