The collection contains about 23,000 negatives of various sizes from cine-films of 35 mm width to original glass negatives of large sizes 24x30 cm and 30x40 cm from the 19th century, then about 6000 slides and 52,000 positive prints, including originals of distinguished representatives of the Czech photography of the 19th and 20th centuries, e.g. Frantisek Friedrich, Jindrich Eckert, Frantisek Kratky, Rudolf Bruner-Dvorak, Frantisek Drtikol, and others. The topics represented here are photography of technical objects, machines, factories (exteriors and interiors), transport means, pictures from beginnings of motoring and aviation, portrait photography, pragensia, photographic documentation from construction of railways. Many photographic prints are arranged in files and bound in albums.