Wet plate
Wet plate\ (Photog.) A plate the film of which retains its sensitiveness only while wet. The film used in such plates is of collodion impregnated with bromides and iodides. Before exposure the plate is immersed in a solution of silver nitrate, and immediately after exposure it is developed and fixed.| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
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