Those gauges were similar to railway standard gauge. Inner diameter depends on both gauge and wall thickness. The inlet pressure gauge will indicate this pressure. Various needle lengths are available for any given gauge. They may have a fuel gauge and a pressure gauge. It was constructed by improving the Birmingham Wire Gauge. Spark EX also received new gauge and indicator. The position of the rod is determined by a micrometer screw gauge or spherometer. Most shotgun cartridges are measured in terms of "shotgun gauge". All utilise either rail gauge (near standard gauge) or (standard gauge). One of the new features is a meter known as the "Drive Gauge". Earlier satellite measurements were previously slightly at odds with tide gauge measurements. Russia uses the slightly broader Russian gauge of 1520 mm. The main variations are in loading gauge and maximum car weight. The Shinkansen uses standard gauge in contrast to the narrow gauge of older lines.