alternatehistory.com

WI the daguerreotype photo process was discovered a hundred or even two hundred years before its discovery in 1820s -- 1830s France? The basic camera obscura was known from Renaissance times, yet it took until the early 19th century to mate the projection of an image onto a dark panel with the "fixing" of an image onto a silver plate coated with silver chloride.

How would events like the French Revolution look through the eyes of a daguerreotype camera? Even earlier, would the lost buildings of the Great Fire of London be preserved for all time through primitive photography? Would the ability to fix images within the space of minutes dramatically change the course of wars? The invention of the daguerreotype validates Kuhn -- scientific discoveries arrive in leaps and bounds.
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