Disclaimer and Use:
Image labelled 'Reconstructed Difference Eng. No. 2' kindly provided by Martin Copland of Tusmore, South Australia, who has placed the image in the public domain.
All other images are believed to be public domain. If you believe you own the rights to any image, please contact me and the image will be either accredited or withdrawn.
If you wish to use an image on another Web site, please feel free to so without any further permission.