Perspective drawing for the pair-oared shell thomas eakins
Drawing for The Pair-Oared Shell by Thomas Eakins, 1872

Perspective Drawing for The Biglin Brothers Turning The Stake 2
Perspective Drawing for The Biglin Brothers Turning The Stake by Thomas Eakins, 1873

Perspective Drawing for The Pair-Oared Shell
Perspective Drawing for The Pair-Oared Shell by Thomas Eakins, 1872

Eakins - Lathe
Perspective of Lathe by Thomas Eakins

Masaccio, trinità.jpg Masaccio. Trinity. Scheme of linear perspective..jpg
"Masaccio, trinità" by Masaccio - book: John T. Spike, Masaccio, Rizzoli libri illustrati, Milano 2002. Licensed under Public domain via Wikimedia Commons.
"Masaccio. Trinity. Scheme of linear perspective." by Masaccio - scan. Licensed under Public domain via Wikimedia Commons.