LEONARDO DA VINCI (VINCI 1452-AMBOISE 1519)
Recto: Studies of ribs and the diaphragm. Verso: A bird's wing and architectural studies
c.1512-13RCIN 919107
Recto: A drawing of ribs; a diagram of levels of the diaphragm in respiration with a note on its action. Verso: A note on hydrostatics; an elevation of a fountain; ground-plan of 2 courtyards; study of a bird's wing; slight architectural studies; a pulley, with notes on its action; 2 architectural elevations; notes on water & the earth