1. The encyclopedia has 2855 entries with 844 black-and-white and 160 colour images . 2. Silver medal only unlocks greyscale image, while gold medal unlocks colour image . 3. He is principally known for his spectacular colour images of astronomical objects. 4. Using cyan and magenta phosphors, a reasonable limited-colour image could be obtained. 5. The eighth edition contained both black and white and full-colour images . 6. A 3CCD camera module is another way to produce colour images . 7. When scanning colour images , there were several options of format to save them. 8. By moving towards the bar, the upper slider unhides a red colour image . 9. Anti-aliased black-and-white images usually need to be saved as 16-colour or 256-colour images instead. 10. Other features of the scanner include a 30-bit converter and 36-bit colour image processor.