3 7/8" x 8 1/4": folds out to 15 1/2" x 16 1/2". Switzerland:
Paillard S.A. (1961).
Fairly comprehensive brochure on the features and specifications of the Bolex 18-5 projector; contains a color photo of the projector, and yellow or blue monochrome photos and illustrations. The front cover reads: "Make your films race... or move at a slow pace".