Ownership . . .
These web pages diagrams, photographs, sketches, cartoons, illustrations, animations, ray-traces, writing and so on are the copyright of James F linden. All Rights Reserved.
Anything else comes under fair use.
Reproduction . . .
With the exception of a single, complete, unaltered, personal copy, no part of this site may be reproduced either: wholly or in part; or, in a different form, in any way, without the express written permission of the author (James F Linden).
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