www.photohistorytimeline.com

Anchor text: The Photo History Timeline Collection

Wikipedia: Timeline of photography technology

Anchor text: In 1840 March New York opticians Alexander Wolcott and John Johnson open a daguerreotype portrait studio in New York City, the first anywhere in the world, and developed a mirrored camera which produced correctly oriented images and faster exposure times.

Wikipedia: Template:Did you know nominations/Alexander S. Wolcott (inventor)