Hermagis Trousse n. 7 for 13×18 format. It is composed of a barrell and four cells: 2 cells n. 7 360 mm.
n.1 cell n. 8 235mm. and n.1 cell n.9 190 mm. for a total of four combinations 210, 163, 143, 120 mm. and three
single cell 360, 235, 190 to cover 13×18 and more. Angles of coverage started at 86°