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The units of measurement of German-speaking countries consist of a variety of units, with varying local standard definitions. While many were made redundant with the introduction of the metric system, some of these units are still used in everyday speech and even in stores and on street markets as shorthand for similar amounts in the metric system.
The Rhynland rood (Rijnlandse roede) was a standard Dutch measurement.It was changed in 1859 to the "Cape Foot" due to a drift in standards. 1 Rhynland foot (Rijnlandse voet) = 12 Rhynland inches (Rijnlandse duim) = 1.030 English feet.
An overview of 7mm caliber cartridges, their history, and uses in firearms.
The subsonic bullet also has a larger maximum diameter of 7.94 mm compared to all other 7.62×39 bullets that peak at 7.91 mm diameter; the larger diameter of the lead-core section was intended to provide a tighter fit to the barrel by better engaging the rifling grooves.
0.75–1.11 cm: Mapping, short range, airport surveillance; frequency just above K band (hence 'a') Photo radar, used to trigger cameras which take pictures of license plates of cars running red lights, operates at 34.300 ± 0.100 GHz. mm: 40–300 GHz: 1.0–7.5 mm: Millimetre band, subdivided as below. Oxygen in the air is an extremely ...