Sources

Image credits

The diagrams were made for this site, and the acrylic examples are David Nicholson's own paintings. The historic patent drawing and the other artworks are public domain; each entry links to the file's record with its source and license.

Plastic Paint
File: Original diagram
Original work · Author/source field: David Nicholson Art

John Rand, US Patent 2,252, Improvement in the Construction of Vessels or Apparatus for Preserving Paint, &c. (1841): drawing sheet, Metal Rolls for Paint, figs. 1–5
File: https://patentimages.storage.googleapis.com/34/bd/5c/b1ff3f79537751/US2252-drawings-page-1.png
Public domain · Author/source field: John Rand

Using Both
File: Original diagram
Original work · Author/source field: David Nicholson Art

Two Binders
File: Original diagram
Original work · Author/source field: David Nicholson Art

Pieter Bruegel the Elder, The Harvesters (1565)
File: The Metropolitan Museum of Art, 19.164
Public domain (Met Open Access) · Author/source field: Pieter Bruegel the Elder

Solvent Acrylic and Water Acrylic
File: Original diagram
Original work · Author/source field: David Nicholson Art

Acrylic Dries
File: Original diagram
Original work · Author/source field: David Nicholson Art

Oil Cures
File: Original diagram
Original work · Author/source field: David Nicholson Art

David Nicholson, Early, Still (2025)
File: David Nicholson
© David Nicholson · Author/source field: David Nicholson

Open Time
File: Original diagram
Original work · Author/source field: David Nicholson Art

Claude Monet, Stacks of Wheat (End of Summer) (1890–91)
File: Art Institute of Chicago, 1985.1103
CC0 · Author/source field: Claude Monet

Color Shift as It Dries
File: Original diagram
Original work · Author/source field: David Nicholson Art

Blending
File: Original diagram
Original work · Author/source field: David Nicholson Art

Leonardo da Vinci, Ginevra de' Benci (c. 1474/1478)
File: National Gallery of Art, 1967.6.1.a
Public domain (NGA Open Access) · Author/source field: Leonardo da Vinci

Brushwork and Impasto
File: Original diagram
Original work · Author/source field: David Nicholson Art

Rembrandt van Rijn, Self-Portrait (1659)
File: National Gallery of Art, 1937.1.72
Public domain (NGA Open Access) · Author/source field: Rembrandt van Rijn

Painting Over Dry Paint
File: Original diagram
Original work · Author/source field: David Nicholson Art

Titian, Venus with a Mirror (c. 1555)
File: National Gallery of Art, 1937.1.34
Public domain (NGA Open Access) · Author/source field: Titian

Johannes Vermeer, The Milkmaid (c. 1660)
File: Rijksmuseum, SK-A-2344
Public Domain Mark 1.0 · Author/source field: Johannes Vermeer

David Nicholson, Umbrella, Reverie (2024)
File: David Nicholson
© David Nicholson · Author/source field: David Nicholson

Fat Over Lean
File: Original diagram
Original work · Author/source field: David Nicholson Art

Mixing the Two in Layers
File: Original diagram
Original work · Author/source field: David Nicholson Art

Mediums, Solvents and Cleanup
File: Original diagram
Original work · Author/source field: David Nicholson Art

Grounds for Each
File: Original diagram
Original work · Author/source field: David Nicholson Art

How Oil Ages
File: Original diagram
Original work · Author/source field: David Nicholson Art

Albert Pinkham Ryder, Moonlight Marine (1870–90)
File: The Metropolitan Museum of Art, 34.55
Public domain (Met Open Access) · Author/source field: Albert Pinkham Ryder

How Acrylic Ages
File: Original diagram
Original work · Author/source field: David Nicholson Art

Varnishing and Cleaning
File: Original diagram
Original work · Author/source field: David Nicholson Art

Choosing Between Them
File: Original diagram
Original work · Author/source field: David Nicholson Art