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The tintype saw the Civil War come and go, documenting the individual soldier and horrific battle scenes.It captured scenes from the Wild West, as it was easy to produce by itinerant photographers working out of covered wagons.Additional complications come from the burning of fossil fuels such as coal and oil, and from the above-ground nuclear tests done in the 1950s and 1960s.
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The tintype photograph saw more uses and captured a wider variety of settings and subjects than any other photographic type.
It was introduced while the daguerreotype was still popular, though its primary competition would have been the ambrotype.
Tintype portraits were at first usually made in a formal photographic studio, like daguerreotypes and other early types of photographs, but later they were most commonly made by photographers working in booths or the open air at fairs and carnivals, as well as by itinerant sidewalk photographers.
Because the lacquered iron support (there is no actual tin used) was resilient and did not need drying, a tintype could be developed and fixed and handed to the customer only a few minutes after the picture had been taken.
The idea behind radiocarbon dating is straightforward, but years of work were required to develop the technique to the point where accurate dates could be obtained.