Mike C wrote:I found this site but most of it is German ...
A couple of the batteries are German but note the .nl
in the link - this page is in English and Dutch
Your browser would probably have prompted you if he hadn't taken so much trouble to translate most of it into English. If you click on the 'Home' link at the bottom of the page, you might see something like this:EDIT
Having had a look around his very interesting site, I came across the same page entirely in Dutch!
Go to the home page and scroll down to the bottom of the index on the left and click on the Union Flag.
Lo and behold, the entire site is now in English!