La Science

Brown ink and brown wash, with red and black chalks, heightened with white gouache (oxidized to black) on off-white antique laid paper, pricked and incised for transfer

Brown ink, gray ink, brown wash and traces of black chalk, main figure lightly incised, on cream antique laid paper with infill at bottom edge, edge of infill covered in white gouache

Brown ink and gray wash on tan antique laid paper

Brown ink, brown and gray wash over red chalk on white antique laid paper

Brown ink and red chalk and touches of brown wash on off-white antique laid paper, mounted at top to cream antique laid paper mount

Brown and black ink and brown wash heightened with white gouache, and splatters of pink gouache, on blue antique laid paper, laid down on off-white antique laid paper

Brown ink, gray-brown wash, white gouache, black chalk, ocher wash and traces of red chalk on dark cream antique laid paper toned overall with a light brown wash

Brown ink over black chalk on cream antique laid paper; verso: brown ink

Red chalk on cream antique laid paper

Brown ink on cream antique laid paper

Black ink and black wash over black chalk on antique laid paper

Brown ink, incised, on cream antique laid paper inlaid into incised off-white antique laid album page; verso: brown ink, incised