Category:Low quality images of Admiralty charts


Admiralty charts should be scanned at a resolution of at least 200 dpi to ensure clarity and legibility. For the "double-elephant" size, 26.7 X 40 inches, the most common size for Admiralty charts over the years, this means an image size of at least 5000 X 8000 pixels.

Media in category "Low quality images of Admiralty charts"

The following 27 files are in this category, out of 27 total.