Auber

Some classic machines of this type — like the Gaggia Classic Pro and Rancilio Silvia M V6 — can easily be modified to add more functionality, with third-party PID kits, such as the Auber Instruments.

Ms. Auber declined to identify the current holder of the work, except to say that the portrait is now in Switzerland.

But his colleague, Anne Auber, said in an email that Ms. Rosenberg had insulted Mr. Hans during the call.

Ms. Quéniaux’s presence was noted at premieres, and she became a regular companion, along with other women, to the composer Daniel-François-Esprit Auber.

The opera’s explosive conclusion was an even more dramatic evocation of the power of Vesuvius than that at the end of Daniel Auber’s grand opera “La Muette de Portici.”