These hold a mirror copy of what they are exposed to. Have cheap gemstones around the edge, rubbing each brings up a specific ‘page’ recorded or flips through recorded pages. A few are known to have the power to read-back or describe what is in the reflection. Rumors persist of a select few which can record not just images, but action as it happens. Some where even said to be able to tell truth in the reflection – though this has never been confirmed in 3000 years.
The most minimal of these mirrors is known to be able to hold 100 images, while others 300-400…