Okay, so you know how you take pictures with your camera or phone? Well, a long time ago, people used something called photographic plates to take pictures. These plates were kind of like flat pieces of metal or glass that had a special coating on them that could capture images when light hit them.
Now, because these photographic plates are so old, they can get damaged over time. Maybe they get scratched or dirty or even start to break apart. When that happens, we need to do something called conservation or restoration to try to make the plates look like new again.
Conservation means we try to protect the photographic plates from more damage in the future. For example, we might put the plates in a special box or case to keep them safe from dust or moisture. We might also make sure they are stored in a cool, dry place so they don't get too hot or humid.
Restoration means we try to fix the damage that has already happened to the photographic plates. This can be really tricky because we have to be very careful not to make things worse. Sometimes, we might use special chemicals or tools to remove scratches or dirt from the surface of the plates. Other times, we might use special techniques to fill in cracks or other damage so the plates look smooth and whole again.
Overall, conservation and restoration of photographic plates is really important because it helps us keep these important pieces of history in good shape for people to enjoy for many more years to come.