Lindsey Ross, aka the Alchemistress, sets up her 30x24” Chamonix mammoth camera — one of only three in the world — to create a glass-plate ambrotype photograph of the Teton Range at sunrise July 16 in Grand Teton National Park. The cumbersome process that dates back to the mid-1800s requires that the glass plate be exposed and developed while still wet, which means it must be prepared and developed in the field. Ross’ process is very similar to that William Henry Jackson used in the 1870s to make some of the first photographs in the Yellowstone and Grand Teton regions.
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