forgotten to show this book here to ...
1935 ,,about neusilber .
a lot off technical info ,,about usage and production research
but the most interesting thing is the explanation off the collaring off neusilber ....
goldish and reddish yellowish/greenish collard neusilber
the triangle shows the % off metals mixed and needed fore the particular collar ...
interesting fore those who are wondering and researching about production off ek's in neusilber
(and read German )
hope it helps
regards kay
1935 ,,about neusilber .
a lot off technical info ,,about usage and production research
but the most interesting thing is the explanation off the collaring off neusilber ....
goldish and reddish yellowish/greenish collard neusilber
the triangle shows the % off metals mixed and needed fore the particular collar ...
interesting fore those who are wondering and researching about production off ek's in neusilber
(and read German )
hope it helps
regards kay
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