He revelled in all the mysteries of watermarks, title-pages, colophons, catch-words and the like; yet he treated bibliography as an important science.
The material is in.pdf format (with watermarks) but a simple cut-and-paste into something like Word makes them usable as class notes.
WordPerfect® allows you to create watermarks from an image on file or from a clipart image.
Brand review media with invisible watermarks that indicate who the copy has been given too.
Instead of wood or bricks, for example cryptographic methods or digital watermarks can be employed.
