British artists' suppliers, 1650-1950 - I
A selective resource, 3rd edition October 2011 (*revised entry, **new entry). Updated selectively twice yearly, last updated January 2017. Contributions are welcome, to Jacob Simon at firstname.lastname@example.org.
**Julius Caesar Ibbetson. Artist.
Julius Caesar Ibbetson (1759-1817) is credited with the invention of ‘Gumption’, a mastic-based painting medium (Carlyle 2001 pp.106-8); see also Ibbetson’s book An Accidence or Gamut of Painting in Oil and Water Colours, 2nd ed., 1828 with a recipe for Gumption (transcribed in Rotha Clay, Julius Caesar Ibbetson 1759-1817, 1948, p.138; see also pp.85-6). The medium was used by Sir George Beaumont.
For abbreviations, see Resources and bibliography.
John Inwood, see William Reeves
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