STATEMENT OF COPYRIGHT

The catalogues and reference articles on this website are copyright © Jack Copeland and Diane Proudfoot. The archive contains images of copyrighted historical documents and these are reproduced on this website with the permission of the rights holders. The image files themselves (gifs and jpgs), as distinct from the content of the images, are copyright © Jack Copeland (just as though they were photographs or books). No files from this website may be placed on another website, or stored in any retrieval system, or reproduced or modified by any means, or transmitted or distributed in any form, without written permission from the appropriate rights holders and The Turing Archive for the History of Computing.

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