Illustration showing two prisms from the Chinese book Po-wu hsin-pien (Textbook on Natural Sciences) by Benjamin Hobson, 1854. Hobson was an English writer and doctor who practiced and taught medicine in China in the 1850s. This popular book, Po-wu hsin-pien, was considered a standard introductory work in China on meterology, chemistry, physics, astronomy, geography, and zoology. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Science Source |
Taille de l’image : | 2894 px × 3168 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |