Time capsules are part of a beloved tradition dating back thousands of years.

Designed to connect the past to present civilizations, they come in many shapes and forms.

They are fragmented messages or echoes from the past that call out to the hearts of future generations.

Cyanotype Cat Photo

The box also included something particularly fascinating and mesmerizing to Stern: two glass plate negatives.

Stern carefully executes this vintage photography project with gentle handling of the prints and some patience.

And just what did the images reveal?

Cyanotype Cat Photo from Time Capsule

The beloved pets of the little girl, including a particularly faithful looking feline.

Obviously not wanting her companions to be forgotten, they were included with the girl’s most precious keepsakes.

Scroll down to watch Stern’s painstaking process to unearth these cat photos from 120 years ago.

He developed it to discover… cat photos!