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Title: Worthless, do not order
Review: This is not a replica of the original. It is just the text, extracted from a scan by OCR. It has been re-set in a small, modern font to fit on as few pages as possible. It does not include the "Fifty Fine Copperplate Diagrams" that were in the original.The OCR has many errors that were uncorrected, for example: "SUFFICIENT KNORFLEfOB <<DAN Bg ApQUIRE$ TO ENABLE THE". These errors often make it very difficult to puzzle out what the authors intended and the lack of diagrams makes it impossible.In the product, the publishers acknowledge that there are typos and no diagrams but the missing diagrams are not mentioned in the product description on Amazon.A bad product -- do not buy.
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