Greetings,
The numbers A:B represent the ratio between the herb and the final volume of the menstruum. The truth is that I don't know what is the preffered method of Dr. Tilgner for making tinctures.
A well-known method today amongst herbalists is the use of a percolation cone which makes more potent extracts. The company of Wise Woman Herbals -a leader in tincture making- which was founded by Dr. Tilgner, uses the "multiple maceration" method. Can't tell for sure though, which method you need to use and how this ratio can be achieved
Good luck with your plant medicine!
