Developing 120-Year-Old Photos found in a Time Capsule

Admire the cats in HD : (follow me, it’s free) I Found some glass plate negatives inside a 120-year- old time capsule. So i decided to develop the images using the Cyanotype Process ►See the full HD images here : About this video: Because of my last video, someone in my family told me about a possible time capsule in our old family house, after investigation I found a box dating from around 1900 judging by the objects and the technic of the