Image reproduced from Malvin Rings Dentistry, an illustrated history (New York: Abrams, 1985), image 250, page 269. Image measures 25 x 17 cm. Image caption reads: Mlle. Helene Purkis, a woman dentist who treated female patients, had her offices in the chic first arrondissement of Paris during the 1880s. Her advertisement tells us that she did all kinds of dentistry and offered free consultations. A glass containing what may be her special Elixir Diaphenix stands on the table behind her. Bibliotheque Nationale, Paris.