Rublev Colours Dark Drying Oil is the classic drying oil made with lead. It improves handling and drying of oils and can be used in recipes to make megilp, Maroger and Roberson's mediums and traditional oil varnishes, such as copal.
Oiling Out and the Cause of Dead Spots in Oil Paintings
Rublev Artists' Oil Colors – Rileystreet Art Supply
Shop Natural Pigments - Dark Drying Black Oil, Rublev Colours Dark Drying (Black Oil)
Rublev Natural Pigments Mediums
Black Oil—Historical Lead Drying OIl
Shop Natural Pigments - Dark Drying Black Oil, Rublev Colours Dark Drying (Black Oil)
Oil Paints – Tagged Oil Paint Mediums– ARCH Art Supplies
Oil Paints – ARCH Art Supplies
Drawing & Painting Journal : My Palette- Rublev Natural Pigments
Midnight Black oil color & Naples yellow light
Black in Depth: An Artist's Guide to Black Pigments and Oil Colors - Part 2
Professional Oil Painter's Supplies List – Toxic Fume Free