I too agree with the thought that a professional tuner/technician should buy his or her own copy of Pierce, or whatever similar publication covers one's own country best. (The Musician's Piano Atlas was better for the UK). It's professional, it's organised, it's decent. The tuner should carry it and have it available to look up in the customer's home. As a legal point, though, Pierce is on shaky ground, copyright-wise. David Porrit, you say: "Theres really nothing to discuss here. The owner of a copyright is the only one who has the right to copy the material. You can use the information, you can read from it, you can make decisions on the information but you CAN NOT copy it. The end". Yes, but the point at issue here is that Pierce DOES NOT OWN THE FACTS in his book. All Pierce owns is his *tabulated arrangement* of the facts. It is therefore certainly illegal to make photocopies or scanned copies of the book's pages (individual copies of small amounts are permitted for certain purposes). But it is NOT illegal to take the facts in the book and type them up in some other format - no matter how much "sweat of the brow" Pierce lavished on collecting the facts together in his book. Thus, if some philanthropic person were to type up a list of piano numbers and years of manufacture in his own format, and put it on the internet, with or without reference to Pierce or to either of the other piano number books of which I am aware, Pierce would be on very shaky ground trying to make a case that he held copyright in the *information*. The precedent that "sweat of the brow" in compiling information is irrelevant to copyright, comes from no less a court than the US Supreme Court (see my previous comments re. the Feist case). Best, David.
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