Sketch plans for trenches, schematic sketch of a pulley, and study of walls for a terraced weir; sketch on Leonardo's studies on the erection of the virile member; notes on mechanics. Image taken from f. 282 of Еще
Large diagram comprising concentric semicircles with parabolic lines; notes and sketches on six balance arms; sketches of an hydraulic device; notes on water. Image taken from f. 63v of Notebook ('The Codex Aru Еще
Notes and diagrams on optics; a diagram including an architectural detail; a note on the flight of birds with a sketch of a bird flying. Image taken from f. 134 of Notebook ('The Codex Arundel'). Written in Ita Еще
Notes and a diagram on optics, concerning the caustics of reflection; drawing of a lathe designed to manufacture concave mirrors; mathematical calculations. Image taken from f. 84v of Notebook ('The Codex Arund Еще
Notes and diagram, entitled 'prespectiva', on 'caustic' pyramids. Image taken from f. 280 of Notebook ('The Codex Arundel'). Written in Italian. The Arundel Manuscript Collection was amassed by the Howard fami Еще
"Note and diagram on geometry (proportional compass); diagram on mechanics; a sulphur-based formula; a sketch of Leonardo's observation of a dyeing boiler ('caldaia dei tessitori con poco fuoco')." Image taken Еще
Notes and diagram on mechanics; notes and schematic sketches on spriral staircases (side-on). Image taken from f. 264 of Notebook ('The Codex Arundel'). Written in Italian. The Arundel Manuscript Collection wa Еще
Notes and schematic sketches on mechanics (pulleys); notes and sketches on water, with reference to Lorenzo de Medici. Image taken from f. 135 of Notebook ('The Codex Arundel'). Written in Italian. The Arundel Еще
Notes and diagrams on mechanics; two schematic sketches of an hydraulic wheel. Image taken from f. 121v of Notebook ('The Codex Arundel'). Written in Italian. The Arundel Manuscript Collection was amassed by t Еще
Notes and diagrams on mechanics. Image taken from f. 39v of Notebook ('The Codex Arundel'). Written in Italian. The Arundel Manuscript Collection was amassed by the Howard family, particularly Thomas Howard, t Еще
Sketches of a furnace for melting metal rods, accompanied by an explanatory note. Image taken from f. 47 of Notebook ('The Codex Arundel'). Written in Italian. The Arundel Manuscript Collection was amassed by Еще
Notes and diagrams on mechanics. Image taken from f. 41 of Notebook ('The Codex Arundel'). Written in Italian. The Arundel Manuscript Collection was amassed by the Howard family, particularly Thomas Howard, th Еще
Notes and a diagram on optics, concerning the caustics of reflection; drawing of a lathe designed to manufacture concave mirrors; mathematical calculations. Image taken from f. 84v of Notebook ('The Codex Arund Еще
Notes and diagram on an hydraulic device. Image taken from f. 268v of Notebook ('The Codex Arundel'). Written in Italian. The Arundel Manuscript Collection was amassed by the Howard family, particularly Thomas Еще