![](https://nthumb.tpgimages.com/mid2_com_img/3289/29962/TOP28094272.jpg)
Extraction of saltpetre; Earth containing saltpetre is mixed with a powder; ash and water; and the solution is boiled. The lye solidifies on rods in vats to form a saltpetre; woodcut; p. 456; (Liber duodecimus); Manuel; Hans Rudolf (graveur sur bois); 1556; Georgius Agricola: De re metallica libri XII: quibus officia; instrumenta; machinae; ac omnia denique ad metallicam spectantia; non modo luculentissime describuntur; sed & per effigies (...). Basileae: [Froben]; 1556.
px | px | dpi | = | cm | x | cm | = | MB |
Details
Creative#:
TOP28094272
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
No
Property Release:
No
Right to Privacy:
No
Same folder images: