A distinctive design incorporated into paper during manufacture which is visible when viewed under a light or a contrasting background

A continuous roll of paper.

A printing press with paper supplied by a web rather than single sheets.

A mechanical binding which uses a series of double wire loops formed from a single continuous wire running along its length.

A paper which contains no mechanical wood pulp. In practice it usually contains a small percentage of mechanical fibre.

To print one side of a sheet and turn it from front to back to print the second side, keeping the same alignment of the side edges on the press.

When both sides of a sheets is set on one plate. After one surface of the sheet has been printed it is turned over side to side and backed up from the same plate.

To print the same plate twice on the same side of a sheet turning the sheet through 360 degrees between print runs.

This is made on a roll of closely woven, finely textured wire, and leaves no marks on the surface of the paper.