Hello Frank, I have the German translation of the first part by Fröhlich which was never published and as far as I understand it, the caulking of the bolts and nails is meant here. I don't think it would make sense to address the subject at the end of the book.
Hello Frank, I have the German translation of the first part by Fröhlich which was never published and as far as I understand it, the caulking of the bolts and nails is meant here. I don't think it would make sense to address the subject at the end of the book.
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