Workshop of Francesco di Giorgio Martini

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Workshop of Francesco di Giorgio Martini
1439-1502
Design for Handle-Propelled Paddle Wheel Boat, and a Hinged Boat in Four Sections. Verso: Designs for War Machines, Pontoon and other Bridges
ca. 1475-1477
Pen and brown ink, over several lines in red chalk, on paper; horizontal line incised with stylus between two designs; pricked with compass; verso: pen and brown ink; three horizontal lines incised with stylus.
9 1/2 x 8 1/4 inches (241 x 207 mm)
Gift of János Scholz.
1976.33

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Inscription: 
Inscribed at lower left, in black chalk, "2(?)38"; faintly, at lower right, in black chalk, "Leonardo?".
Provenance: 
Dr. Ludwig Pollak (Lugt S. 788b); J. Weitzner, New York; from whom purchased in 1963 by János Scholz, New York (no mark; see Lugt S. 2933b).
Bibliography: 

Ryskamp, Charles, ed. Eighteenth Report to the Fellows of the Pierpont Morgan Library, 1975-1977. New York : Pierpont Morgan Library, 1978, p. 263.
János Scholz, Italian Master Drawings, 1350-1800, from the János Scholz Collection, New York, 1976, no. 9, repr.

Notes: 

Watermark: none.

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