[48] MS Sloane 2052, fol. 97r: “Du noir./ Le bon & excellent noir se doibt faire d’une substan-/ ce osseuse blanche extrêmement compacte./ Voyés que feront les dents de cheual, de boeuf,/ de chien, de sanglier, de Rosart./ Les os petreux de veau & de cheual. Le tout/ bruslé en vaisseau exactement clos.” See https://www.bl.uk/manuscripts/Viewer.aspx?ref=sloane_ms_2052_f097r, last accessed 27 April 2020. Cennino Cennini, Il Libro dell’Arte, Chap. 37 describes the preparation of various black pigments. See Broeke, Cennino Cennini. Reconstruction experiments to make antler, sheep bone and other black pigments following instructions from the De Mayerne manuscript have been performed during the Burgundian Black ROOHTS summerschool in Antwerp, July 2019 and with master students Painting Conservation, University of Amsterdam, February 2020, see essays by Ortega Saez and Cattersell, Boulboullé & Reissland elsewhere in this volume.