Ajax loader
Archimedean screw / Illumination
Technics / Water / Pump:

Screw pump.

(Archimedean screw).
Illumination, Wenzel workshop,
Prague, 1405.
Fr.: Konrad Kyeser, Bellifortis,
Cod. phil. 63, fol. 63r
Göttingen,...
of 1
Open Lightbox