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Today we look at the history of photography, and how the camera helped create the modern computer.

Here’s a website with a thumbnail sketch of the history of photography.

Unraveling the History of Photography

Here’s a video about how to make a room in your home into a camera obscura.

How to Turn a Room into a Camera Obscura

Here are some sites about lithography.

Lithography in the Nineteenth Century

A Printing Revolution

Alois Senefelder Invents & Develops Lithography

Here’s a site with information about how photography and photolithography came to be.

History of Lithography, Heliography, and Photography