Teachers,educators and students are granted permission to use these images.
Permission is granted for educational use only.
The images are not to be used commercially, for purpose of selling , gaining income through the production of articles using these images, and the production of image databases. If you wish to use the images for an article or publication, printed or electronic, then please contact the Website Editor . Crown Copyright is reproduced with the permission of the Controller of Her Majesty's Stationery Office. This material may be accessed and downloaded onto electronic , magnetic, optical or similar storage media provided that such activities are for private research, study or in-house use only. We would also invite you to send images for inclusion in this database, if you are prepared to allow other teachers , educators and students to use your images.