Contents: definitions; enclosure of escalator, surrounds, construction, lighting; enclosures for the machines, associated equipment and the gears for driving and return; moving handrail; steps; step drive; inclination of the escalator and guiding of steps; clearance between steps and between steps and balustrades; machine; electrical installations and equipment; starting and stopping; notices, operating instructions and signals; maintenance and inspection of escalators. Includes diagrams.