| Broadside | Single sheet of paper, printed on one side. |
|---|---|
| Catchword | The last word printed on the bottom of a page and that is repeated as the first word on the following page. The catchword "previews" the first word on the next page. |
| Chain Lines | Widely-spaced parallel lines on paper caused by pressing the material, generally wet rags, into the wires of a paper-making mould. Chain lines tend to be more visible when a sheet of paper is held against light. |
| Colophon | A descriptive note about the publisher and/or printer of a newspaper typically found at the bottom of a page. |
| Cotton Rag Paper | High-quality paper made of cloth -- usually old rags -- that was used for printing newspapers prior to the 1860s-70s. |
| Facsimile | An exact copy. |
| Foolscap | Paper sized 8 1⁄2 × 13 1⁄2 inches (216 × 343 mm). |
| Laid Paper | Handmade paper on which laid and chain lines (the wires of a mould) are visible. In contrast, wove paper has a more cloth-like, smooth appearance. |
| Mourning Leads | Thick lines of dark ink bordering a newspaper's columns; a striking visual signal of tragic news. Also referred to as mourning bars. |
| Old-Style "s" | Or 'long s.' A lowercase letter s that appears similar to an f. The rules of usage have changed through time and place. |
| Photostat | An exact copy; the blacks and whites of the page are reversed, so white lettering appears against a black page. |
| Pied | Jumbled, or mixed up. As in, the type was pied and had to be corrected and reset. |
| Rag Paper | Paper made of cloth -- usually cotton rags -- that lasts for many years without deteriorating or discoloring. |
| Reprint | A replica newspaper printed at some point after the original issue date; it may be an exact copy or vary widely from the original. |
| Slug | Thick, horizontal line of dark ink separating articles in a column, similar to mourning bars or leads. |
| Watermark | An identifying image that is noticeable when a page is held against light. |
| Wood Pulp Paper | "Pulp" paper came into popularity in the late 19th century; it became cheaper and more readily available than rag paper. Wood pulp paper is typically highly acidic and becomes discolored and brittle with age. |
