Le Tricorde et instrument epercettes [?] antique before 1828

Pierre Félix van Doren's "Le Tricorde et instrument épercettes antique," a pencil drawing dated before 1828, depicts an antique musical instrument known as a tricorde, along with a related instrument. The drawing is contained within a circular frame and features intricate details including ribbons, knots, and the tricorde's structure. The artist's meticulous lines and use of shading lend a sense of depth and realism to the drawing. This work provides valuable insight into the craftsmanship and design of musical instruments from the past, offering a glimpse into the history of music and instrument making.