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The Charrière is measured by the ''outer'' diameter, and is defined as 1 Fr = 1/3 mm, and thus 1 mm = 3 Fr; therefore the diameter of a round catheter in millimetres can be determined by dividing the French size by 3. [2] The French units roughly correspond to the outer circumference of the catheter (see table below).
Type 4 15cm self-propelled gun Ho-Ro, side view. The hull selected was a modified Type 97 Chi-Ha medium tank chassis. [3] On to this platform, a Type 38 150 mm howitzer [4] based on a design by the German arms-manufacturer Krupp was mounted, but dated from 1905 and had been withdrawn from service as being obsolete in 1942. [5]
Nominal Pipe Size (NPS) is a North American set of standard sizes for pipes used for high or low pressures and temperatures. [1] " Nominal" refers to pipe in non-specific terms and identifies the diameter of the hole with a non-dimensional number (for example – 2-inch nominal steel pipe" consists of many varieties of steel pipe with the only criterion being a 2.375-inch (60.3 mm) outside ...
The British referred to these guns and their shells as "five point nines" or "five-nines" as the internal diameter of the barrel was 5.9 inches (150 mm). The ability of these guns to deliver mobile heavy firepower close to the frontline gave the Germans a major firepower advantage on the Western Front early in World War I, as the French and ...
This list catalogues mortars which are issued to infantry units to provide close range, rapid response, indirect fire capability of an infantry unit in tactical combat. [1] In this sense the mortar has been called "infantryman's artillery", and represents a flexible logistic solution [clarification needed] to the problem of satisfying unexpected need for delivery of firepower, particularly for ...
The test is carried out using a metal mould in the shape of a conical frustum known as a slump cone or Abrams cone, that is open at both ends and has attached handles.The tool typically has an internal diameter of 100 millimetres (3.9 in) at the top and of 200 millimetres (7.9 in) at the bottom with a height of 305 millimetres (12.0 in).The cone is placed on a hard non-absorbent surface.
Original nominal 25 mm figure scale; though a 6-foot human in 1:87 is closer to 21 mm. 1:82: 3.717 mm An intermediate scale (HO/OO) intended to apply to both HO and OO scale train sets. Also used for some military models 1:80: 3.810 mm HOj scale. Very close to wargaming 20 mm figure scale (20 mm is actually 1:80.5). [10] 1:76.2: 4 mm: Model ...
The Type 4 (1915) 150-mm Howitzer was designed during World War I to replace the Type 38 15 cm Howitzer. It was manufactured in considerable quantities and remained the standard Japanese medium artillery piece until 1936.