Optical theories of drawing. 19th-century diagrams showing techniques for drawing based on optics and theories about light. These techniques are in architectural or technical drawing. These diagrams are from 'Traite de la science du dessin' (Treatise on the science of drawing,1821) by French engineer Louis-Leger Vallee (1784-1864) | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / King's College London |
Bildgröße: | 3687 px × 4782 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |