BLB-F-018592-0000 Drawings by Leonardo Da Vinici on on the mechanical powers and forces, percussion, gravity, motion, optics and astronomy, with various arithmetical and geometrical propositions, from 'Leonardo Da Vinci's Notebook of observations' of Vinci, Arundel 263, f.224, British Library, London Credit: The British Library Board/Alinari Archives, Florence WARNING: Permission must be required for non editorial use. Please contact Alinari Archives Place of photography: Great Britain, London, British Library Collection: The British Library Board/Alinari Archives, Florence Object type: digital image Photographic technique: P digital image Technical info Image sizes (pixel): 3378 X 4140 Image sizes (cm at 300 dpi): 28 X 35 Image sizes (MB): 1.68 Color space: RGB