Natural Hygroscope Figure 1.jpg
Sloane, T. O'Conor
en
Natural Hygroscope Figure 1, Optical devices, Hydroscope
commons
en
Natural Hygroscope Figure 1, Natural Hydroscope.
commons
ja
自然吸光器 図1、光学装置、水深計
commons_translated
ja
自然吸血器図1、自然吸水器。
commons_translated
optical instrument hygroscope catalyst grimoire optical device all-knowing