- reciprocal sighting
- двустороннее визирование
Англо-русский технический словарь.
Англо-русский технический словарь.
Hand compass — Parts of a hand compass A hand compass (aka hand bearing compass or sighting compass) is a term for any compact magnetic compass capable of one hand use and fitted with a sighting device to record a precise bearing or azimuth to a given target or … Wikipedia
Coincidence rangefinder — American soldiers using a coincidence rangefinder with its distinctive single eyepiece during army maneuvers in the 1940s … Wikipedia
Aristotle: Ethics and politics — Roger Crisp ETHICS BACKGROUND AND METHOD Aristotle wrote no books on ethics. Rather, he gave lectures, the notes for which subsequently were turned by others into two books, the Nicomachean Ethics (NE) and the Eudemian Ethics (EE). There is much… … History of philosophy
Parallax — For other uses, see Parallax (disambiguation). A simplified illustration of the parallax of an object against a distant background due to a perspective shift. When viewed from Viewpoint A , the object appears to be in front of the blue square.… … Wikipedia
Battle of the Atlantic (1939–1945) — Infobox Military Conflict conflict = Battle of the Atlantic partof = World War II caption = Officers on the bridge of an escorting British destroyer keep a sharp look out for enemy submarines, October 1941 date = September 3 1939 May 7 1945 place … Wikipedia
Triangulation — In trigonometry and geometry, triangulation is the process of determining the location of a point by measuring angles to it from known points at either end of a fixed baseline, rather than measuring distances to the point directly. The point can… … Wikipedia
Qianlong Emperor — 乾隆帝 6th Qing Emperor of China … Wikipedia
Lady Be Good (aircraft) — Infobox Airliner accident Name = Lady Be Good Crash |360px Image caption = U.S. Air Force Photo of Lady Be Good in the Libyan desert. Date = April 4, 1943 Type = Navigation error Site = coord|26|42|45.7|N|24|01|27|E| flag|Libya Origin = Benina… … Wikipedia
Convoy SC-42 — was the 42nd of the numbered series of World War II Slow Convoys of merchant ships from Sydney, Cape Breton Island to Liverpool. [Hague 2000 p.133] Sixty five ships departed Sydney on 30 August 1941; [Hague 2000 p.135] and a week later were met… … Wikipedia
Convoy SC 42 — Convoy Part of World War II Date 9 12 September 1941 Location North Atlantic Result German victory … Wikipedia