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Antonio Vernucci wrote:
Notice: Effective January 1, 2007, BAMA will add only manuals with a direct connection to the tube era of ham radio. Only manuals for amateur radio transmitters, receivers, antenna tuners, antennas, keyers, etc. will be added to the collection. Why not also require that diagrams must be properly scanned. Many diagrams on the site can hardly be read. To be entirely fair, many of the originals weren't widely available in good quality either. Many times I have an old photocopy of an old photocopy of an original schematic, and I can't read the part values either. Sometimes the originals (especially for ham equipment, not so much for test equipment) that came in the manuals were barely readable too. People tend to use lossy compression methods (jpg, djvu) that are generally unsuitable for schematic diagrams. This is certainly a huge factor. Look at the scan qualities at bitsavers.org for example and you see that careful attention to scanning and lossless compression are very worthwhile goals. Tim. |
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