Bellows Pump and Perspectograph
Numéro d’image : 12395547
| Page from the Codex Atlanticus (1480) by Leonardo da Vinci (1452-1519) illustrating a bellows-operated suction pump and a man using a drawing instrument to sketch an armillary sphere in correct perspective. The pump, operated by hand-driven bellows draws up water which is discharged into a container. The device includes a non-return valve. Leonardo did much research in hydraulics and devised a practical bilge pump for use with boats. In the sketch the seated man is using a “prospettografo†(or perspectograph), a device for drawing perspective based on Alberti's Frame. In Della Pittura (1435) Leon Battista Alberti (1404-1472) wrote the first treatise on the laws of perspective. Leonardo considered its use was mainly for complex subjects such as the armillary sphere shown here that required accurate perspective. | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Terry, Sheila |
| Taille de l’image : | 3728 px × 5433 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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