Some interesting points made in this blog: http://blog.oilpaintersofamerica.com/2012/08/paint-from-life-or-photos/
http://www.artiscreation.com/red.html#PR264 image above from the extremely useful Dick Blick website to which this pigment database links.
Many thanks to Golden for this article showing the results of tests of various "sizes" (ways of sealing canvas) including RSG. Image from same source. http://www.justpaint.org/preparing-a-canvas-for-oil-painting/
(Photo above from Tad's website). Tad Spurgeon is another one of those generous artists and art technique researchers who seeks to share his considerable knowledge and expertise with other artists. Those of us who have been struggling to find a way to produce art that mirrors the beauty of the old techniques (now lost in … Continue reading Brilliant book on techniques and materials by Tad Spurgeon (and a great website too).
Thanks to Dan Johnson for this useful post. https://danjohnson.co/2015/04/29/5-painting-rules-you-should-break/