Copernicus
James Nasmyth · 1867
Black and white chalk, graphite, touches of blue pencil, with scale in pen and brown ink, on gray wove paper with blue fibers, squared in graphite
James Nasmyth · 1867
Black and white chalk, graphite, touches of blue pencil, with scale in pen and brown ink, on gray wove paper with blue fibers, squared in graphite