07-02-2016, 04:33 PM
(07-02-2016, 01:33 PM)Helmut Winkler wrote: You are not allowed to view links. Register or Login to view.According to the pdf ...
You are quite correct. It is Recipe 117 over Abb. 6 ( from Cpg 122 f. 7v/8r, You are not allowed to view links. Register or Login to view. )
Very free translation:
How to make saltpetre in a way to let it grow better than on a wall. If you want s. growung better than on a wall I ask you to make a pipe as big as you want it which must be full of small holes. ...(Mix up the ingredients and fill them into the pipe, hang it three days into the sun, empty fluid out) ... And hang it into a cellar and you will have a good growing of s.
As far as I know clay pipes were not used in the Middle Ages for drainage, only open ditches.
Thanks Helmut, great help!