17th Century scientific equipment. Historical artwork showing a collection of thermometers and a hygrometer (far right) from 17th Century Florence,Italy. A Hygrometer is an instrument for measuring humidity - the moisture content in the environmental air. Published in 1667 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Library of Congress |
Bildgröße: | 3366 px × 5223 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |