negative
photograph in which the tones or colors are reversed from their appearance in nature, usually on a transparent support of celluloid, acetate, or on paper, intended for the purpose of producing positive prints
glass plate negative
sheet of glass coated with light-sensitive emulsion that has been exposed and developed, and that is intended as matrix for the creation of positive photographic prints on another support
original camera negative
film in a film-based movie camera which captures the original image
Stanley Baldwin
photograph by Walter Stoneman