2) The altitude above mean sea level. This is important for long range precision shooting because the air density changes with elevation and affects the path of the bullet. Extractor* A device that withdraws or elevates a fired shell casing or a live round from the chamber as the breech mechanism is opened.
The rebec (sometimes rebecha, rebeckha, and other spellings, pronounced /ËriËbÉk/ or /ËrÉbÉk/) is a bowed stringed instrument of the Medieval era and Renaissance era. In its most common form, it has a narrow boat-shaped body and 1-5 strings.he instrument was used by dance masters until the 18th century, however, often being used for the same purpose as the kit, a small pocket-sized violin. The rebec also remained in use in folk music, especially in eastern Europe and Spain. Andalusi nubah, a genre of music from North Africa, often includes the rebec.
INSTRUMENTS. The most common instruments which are used in traditional Norwegian folk music are the ordinary violin, the hardingfele, and various types of accordions. Less common but increasingly popular are the munnharpe, langeleik, seljefloeyte, seljeflÃ¸yte tussefloeyte tusseflÃ¸yte, and, sjoefloeyte sjÃ¸flÃ¸yte. lur and bukkehorn