The Process | Creating the Wet Plate Image — Tony Sehgal

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Several glass test tubes and bottles filled with liquids of different colors, some labeled with chemistry terms like 'Positive Collodion', 'Negative Collodion', and 'Collodion', placed on a white surface in a laboratory setting.

Black and white portrait of a woman with a grey knit hat, overlaid with red bokeh lights.

A photograph of the Golden Gate Bridge in San Francisco, California, taken in a sepia tone, with fog surrounding the bridge and a car on the road below.

A camera on a tripod set up on a dirt path overlooking the Golden Gate Bridge in San Francisco, with the city skyline and water in the background.

A framed photograph of the San Francisco Golden Gate Bridge in fog, placed on a metal table in a workshop with various tools and equipment.

A chart comparing the visible spectrum and the collimated spectrum, with wavelength ranges from 462 nanometers to 641 nanometers, including color gradations from blue through green to red, and a copyright note at the bottom.

A person holding a black-and-white photograph of a woman outdoors, with a green camera labeled 'HOLGA 120N' in their hand, standing on a brick surface.

Two glass bottles of liquid solution, labeled ‘Positive Developer’ and ‘Negative Developer,’ with smiling face stickers on them, set outdoors on grass with a fence, trees, and a camera on a tripod in the background, under a partly cloudy sky.