Book in which each sheet is folded 6 times to create 64 leaves, or 128 pages. It is also known as sexagesimo-quarto.
Compound with chemical formula C8H11NO. 4-Phenetidine induces irritation of skin, eyes, lungs. It is used in the manufacture of acetophenetidin.
Anti-bacterial and anti-fungal substances, part of disinfectants, soaps and similar products.
Commonly used film gauge. 35mm refers to the width of film. It is mainly applied in chemical still photography and in motion pictures production.