| It tracks the brief evolution of daguerreotypy in France, where the medium lasted barely two decades. |
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| Once again, daguerreotypy was reduced to a geometry of abstract markings. |
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| For a while daguerreotypy was a better medium than paper photographs, but the latter product soon offered greater convenience, economy and reproducibility. |
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| In 1994 Robert Shlaer, a former biologist turned art photographer, who had mastered daguerreotypy, began a four-year odyssey to retrace the four-month-long Fremont expedition in a specially equipped darkroom van. |
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