La Science

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

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

Brown ink over graphite on white antique laid paper

Brown ink and brown wash on cream antique laid paper, incised

Red chalk on off-white antique laid paper; verso: black chalk and brown ink

Brown ink, brown wash, and red chalk on cream antique laid paper; verso: red chalk

Brown ink and gray-brown wash over black chalk with touches of red chalk on cream antique laid paper

Brown ink and brown wash, some black chalk, later gone over with a stylus, on off-white antique laid paper

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

Black chalk and white gouache on blue antique laid paper

Brown ink and brown wash heightened with white gouache on tan antique laid paper

Black and brown ink on tan antique laid paper