David (Switzerland, ~1820)

Switzerland. A maker of musical movements, c. 1820. (Ord-Hume, Musical Boxes, p. 300)

David (Paris, ~1820)

Another maker of the same name was working in Paris around the same time and he made musicwork, automata and singing birds. (Ord-Hume, Musical Boxes, p. 300)

David & Falconet

Alibert cartel boxes are so similar to those of David and Falconnet that the blanks were almost certainly obtained from the same source.“   (Bulleid, Technology, p. 6)