RTR5315965:
Studies of the forelimbs of the horse, c. 1490 (metallic tip and whitewash on blue prepared paper), Vinci, Leonardo da (1452-1519) / Bridgeman Images
ROC480617:
Studies of a landscape with a couple embracing, hydraulics designs and a leg, c.1506-10 (pen & ink with black chalk on paper), Vinci, Leonardo da (1452-1519) / Bridgeman Images
BAT377181:
Notes on the Changes of Direction in Flight, manuscript page from Codici Rari III 35.2, fol. 10v from Treatise on the Flight of Birds, 1505 (pen and ink on paper), Vinci, Leonardo da (1452-1519) / Bridgeman Images
RTR5315955:
Sketch of ornamental motif within oval, c. 1483-1485? (pen and ink on light ochre paper), Vinci, Leonardo da (1452-1519) / Bridgeman Images