19th-20th century
Diagram and calculations on graphite on the verso.
actual: 35.5 x 25.4 cm (14 x 10 in.)
Bequest of the artist to the Fogg Art Museum, 1936.
Charcoal on cream wove paper
20th centuryGermanWoodcut printed in black, orange, blue, brown and beige ink on off-white wove paper
20th centuryGermanGraphite on off-white wove paper
19th centuryAmericanInk on paper
ChineseBlack and green marker on paper
20th centuryGermanBlack crayon on paper
20th centuryGermanGraphite on ivory laid paper
19th centuryAmericanBlack and white chalk on tan antique laid paper, laid down on card, framing lines in black chalk
17th centuryFrenchPaper
19th-20th centuryGermanBlack ink on off-white wove paper
20th centuryAmericanBlack chalk
19th centuryFrenchPastel on heavy brown wove paper
19th centuryAmerican