A radius gauge, also known as a fillet gauge, is a tool used to measure the radius of an object. Radius gauges require a bright light behind the object...

gauges, in descending order of size, are the 10 gauge, 12 gauge, 16 gauge, 20 gauge, 28 gauge, and .410 bore. By far the most popular is the 12 gauge...

In science and engineering, a dimensional gauge or simply gauge is a device used to make measurements or to display certain dimensional information. A...

A thread gauge, also known as a screw gauge or pitch gauge, is used to measure the pitch or lead of a screw thread. Thread pitch gauges are used as a reference...

610 mm (2 ft) gauge 99 ft (30 m) radius curves Example Garratt 1,000 mm (3 ft 3+3⁄8 in) metre gauge 25 kg/m (50.40 lb/yd) rails Main line radius - 175 m (574 ft)...

Strain gauges also have a minimum bending radius. This radius is the radius below which the strain gauge will malfunction. For metal tubing, bend radius is...

List of track gauges Rapid transit track gauge List of tram systems by gauge and electrification Loading gauge Minimum railway curve radius Overhead line...

narrow-gauge railway (narrow-gauge railroad in the US) is a railway with a track gauge narrower than 1,435 mm (4 ft 8+1⁄2 in) standard gauge. Most narrow-gauge...

structure gauge of the bridges, overpasses and tunnels, embankments and cuts. The minimum curve radius may have a larger radius on broader gauges requiring...

millimetres (0.650 in) apart for modelling 1,435 mm (4 ft 8+1⁄2 in) standard gauge tracks and trains in HO. The name HO comes from 1:87 scale being half that...