The camera, too, would be heavy ... then pour the excess back into the bottle. On the glass plate is a visible negative image. There is a dark coating of silver where light has struck the plate ...

The glass negative technique succeeded the daguerreotype ... emulsion containing cellulose nitrate diluted in ether and alcohol, placed each plate in the camera on a tripod, and had to take the ...

The 30-inch (76cm) ultra-large format camera, which now allows ... He says the images – will be exposed on a plate, usually glass or aluminium – used as a negative – during the wet-collodion ...