sighting distance
11Rurutu (Austral Islands) — Infobox Commune de France|nomcommune=Rurutu région= Collectivités d outre mer département= Polynésie française insee=98744 cp=98753 maire=Frédéric Riveta lat long=coord|22|27|10|S|151|20|23|W alt mini=0 m alt maxi=385 m hectares=2900 km²=29 sans …
12British railway signals — Modern British signalling is based on a two, three and four aspect colour light system using non permissive block rules. It is a basic progression of the original semaphore signalling that can still be found on many secondary lines. Colour light… …
13візування найменша відстань — визирования наименшее расстояние minimum sighting distance minimale Visur Distanz відстань від вертикальної осі обертання маркшейдерського приладу до найближчого до нього чітко видимого в зоровій трубі предмета …
14Kenneth Arnold — Infobox Person name = Kenneth A. Arnold image size = 175px caption = Showing a drawing of the crescent shaped object birth date = birth date|1915|03|29 birth place = Sebeka, Minnesota death date = death date and age|1984|01|16|1915|03|29 death… …
15SN 1054 — Supernova SN 1054 The Crab Nebula, remnant of SN 1054. Credit: NASA/ESA. Observation data (Epoch ?) Supernova type …
16Iron sight — Sight picture through iron sights of an H K MP5 submachine gun. The annular shroud around the front post sight is aligned with the rear peep sight to ensure the weapon is properly trained. Iron sights are a system of shaped alignment markers… …
17Norden bombsight — The Norden bombsight at the Computer History Museum in Mountain View, California. This example does not have the associated autopilot attached …
18Telescopic sight — Scope redirects here. For other uses, see Scope (disambiguation). View through a 4x rifle scope. A telescopic sight, commonly called a scope, is a sighting device that is based on an optical refracting telescope. They are equipped with some form… …
19Bullet drop — is the name given to the tendency of a bullet to drop in flight due to the effect of gravity. It is important to understand the ballistics of a given cartridge when zeroing the weapon. For example, Hornady lists a bullet drop of 42.40 in (1.076… …
20Astronomie arabe — Miniature ottomane de l étude de la lune et des étoiles XVIIe siècle Dans l’histoire de l astronomie, l’astronomie arabe renvoie aux découvertes astronomiques accomplies par la civilisation islamique, particulièrement au cours de l’Âge d or… …
