{"collection":"aor","html_url":"https://unchartedknowledge.5gfusion.net/browse/aor/dv/0612.htm","path":"aor/dv/0612.htm","source_url":"https://sacred-texts.com/aor/dv/0612.htm","text":"The Da Vinci Notebooks\nOf chalk and paper (612--617).To make points [crayons] for colouring dry. Temper with a little wax and do not dry it; which wax you must dissolve with water: so that when the white lead is thus tempered, the water being distilled, may go off in vapour and the wax may remain; you will thus make good crayons; but you must know that the colours must be ground with a hot stone.","title":"Vol. I: IX. The Practice of Painting: 612.","type":"page"}