Fig. 2

Incident light and BSE images of: Pedernal (1941) (a, b), A Man from the Desert (1941) (c, d), commercial pre-primed canvas roll (e, f), Pink and Green (1960) (g, h) and Storm Cloud, Lake George (1923) (i, j)

Incident light and BSE images of: Pedernal (1941) (a, b), A Man from the Desert (1941) (c, d), commercial pre-primed canvas roll (e, f), Pink and Green (1960) (g, h) and Storm Cloud, Lake George (1923) (i, j)