Conservation and restoration of feathers shaft and the vane. The shaft is composed of the calamus and the rachis. The calamus can also be called the quill and is the hollow portion of the shaft that enters the skin follicle. While the rachis is the solid portion of the shaft where the barbs attach. The vane extends to either side of the rachis and is made up of interconnecting barbs. This is considered the most substantial portion of the feather. Removing debris and organic matter from feathers is a key step in the conservation process. Here are several of the ways that feathers are typically
Calamus (DTP) for its support for automatic kerning even where adjacent characters are set in different fonts or at different sizes. Its high modularity offers features for almost every purpose in desktop publishing. Calamus also was one of the first DTP apps to support real virtual objects and frames, nondestructive vector masks, and editable PS/PDF import. Its (adjustable) measurement base of 1/10,000mm allows accurate positioning of elements. Calamus was ported to Windows by MGI Software and was released as Calamus 95. The current version of Calamus is Calamus SL 2015, also available as SLC 2015 (complete edition with all additional modules) and