by HB Fried library of congress card #74-80841.
More than 130 pages of hairspring work. well illustrated, even a section showing hairspring tangles and the geometry used to untangle them. IHMO this book is worth every penny, and should be considered a must read if your working in the balance/jewel area of a watch or pocket watch. 256 pages of
good book. Our friend at Arlington Books sure knows when he sees a good book. cul brian f.
More than 130 pages of hairspring work. well illustrated, even a section showing hairspring tangles and the geometry used to untangle them. IHMO this book is worth every penny, and should be considered a must read if your working in the balance/jewel area of a watch or pocket watch. 256 pages of
good book. Our friend at Arlington Books sure knows when he sees a good book. cul brian f.
