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Of all the early operators of military aircraft, Germany was unusual in not using circular roundels. After evaluating several possible markings, including a black, red, and white checkerboard, a similarly coloured roundel, and black stripes, it chose a black 'iron cross' on a square white field, as it was already in use on various flags, and reflected Germany's heritage as the Holy Roman Empire.
Cherry angioma, also called cherry hemangioma [1] or Campbell de Morgan Spot, [2] is a small bright red dome-shaped bump on the skin. [3] It ranges between 0.5 – 6 mm in diameter and usually several are present, typically on the chest and arms, and increasing in number with age. [3] [4] If scratched, they may bleed. [5]
A milliradian (SI-symbol mrad, sometimes also abbreviated mil) is an SI derived unit for angular measurement which is defined as a thousandth of a radian (0.001 radian). ). Milliradians are used in adjustment of firearm sights by adjusting the angle of the sight compared to the barrel (up, down, left, or
The chrome yellow outermost ring on this roundel variation was usually picked up by orthochromatic film in photos as a shade of dark grey, nearly as dark as the central red circle would be. Also used as ground vehicle markings in the UK, Middle East, North Africa and Italy from January 1942 to mid-1943 as air recognition signs. Ratio approx. 1 ...
"Big Red One" [6] 2nd Infantry Division ... "Red Bull" [6] 35th Infantry Division ... "The Red Circle" Division. 75th Infantry Division
The Tricolore cockade of the French Air Force was first used on military aircraft before the First World War [1]. A roundel is a circular disc used as a symbol. The term is used in heraldry, but also commonly used to refer to a type of national insignia used on military aircraft, generally circular in shape and usually comprising concentric rings of different colours.
The circled dot, circumpunct, or circle with a point at its centre may refer to one or more of these glyphs or articles ⨀ ⊙ ☉ 𑀣 𐍈 ʘ ...
Delimiting the blood circle for a knife. Scouting portal; The blood circle, also known as a safety circle, is a term used in Scouting to describe the area within the radius of the arm and blade length combined, when using a knife, saw or axe. [1] This area can be envisioned as a sphere with a person and a sharp instrument at its center ...