Of which common item was a Daguerreotype an early example?
Daguerreotype created by re-daguerreotyping the original. As with any original photograph that is copied, the contrast increases. With a daguerreotype, any writing will appear back to front. Recopying a daguerreotype will make the writing appear normal and rings worn on the fingers will appear on the correct hand. Another device to make a daguerreotype the right way round would be to use a mirror when taking the photograph. The daguerreotypes of the 1852 Omaha Indian (Native American) delegation in the Smithsonian include a daguerrotype copied in the camera, recognizable by the contrast being high and a black line down the side
Daguerreotype which was less efficient and more expensive. The introduction of the daguerreotype to America also promoted progress of ideals and technology. For example, an article published in the Boston Daily Advertiser on February 23, 1839 described the daguerreotype as having similar properties of the camera obscura, but introduced its remarkable capability of "fixing the image permanently on the paper, or making a permanent drawing, by the agency of light alone," which combined old and new concepts for readers to understand. By 1853, an estimated three million daguerreotypes per year were being produced in the United States alone. One of these