Crystal battery. PDF

[Ezikel6190]

I would like to say hello to all and a warm welcome from KC, this is my second or third post on the forum. I have been fallowing the crystal battery documentation and videos that can be found in numerous threads on this site. I noticed I cant find any hard documentation on these cells. I would like for this thread to be a links and information based thread/ and discussion on information pertaining to the crystal cells. This is the first hard information I have been able to locate and you guys working with this stuff should read through it.
PIEZO-ELECTRIC ACTIVITY OF ROCHELLE SALT UNDER
VARIOUS CONDITIONS. Date 1922

BY J. VALASEK. Piezo-electric activity of Rochelle salt under various conditions : Valasek, Joseph, 1897-1993 : Free Download & Streaming : Internet Archive

[Ezikel6190]

"The effect is probably not chemical". Pg 486 pg 17 in pdf