CLERC, L.P. Sciences et Industries Photographiques. 7 Tomes - 1924 /1930. Publications Photographiques Paul Montel, Paris, 1924/1930. in-4 (27 x21 cm) . Original editions. 7 years which follow each other from 1924 to 1930. Monthly magazine, bound by calendar year. About 400/450 pages per volume; many technical articles or cinematographic and photographic information; many figures in-text. Bound in percaline with gilt title on the spine. Label of the Sudre collection on the second cover.