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In the United States, Canada, and Mexico, ring sizes are specified using a numerical scale with 1 ⁄ 4 steps, where whole sizes differ by 0.032 inches (0.81 mm) of internal diameter, equivalent to 0.1005 inches (2.55 mm) of internal circumference.
The ID-1 format specifies a size of 85.60 by 53.98 millimetres (3 + 3 ⁄ 8 in × 2 + 1 ⁄ 8 in) and rounded corners with a radius of 2.88–3.48 mm (about 1 ⁄ 8 in). This format is also referred to as CR-80 and, for travel documents, TD1. It is commonly used for payment cards (ATM cards, credit cards, debit cards, etc.).
A ring gauge, or ring gage, is a cylindrical ring of a thermally stable material, often steel, whose inside diameter is finished to gauge tolerance and is used for checking the external diameter of a cylindrical object. [1] Ring gauges are used for comparative gauging as well as for checking, calibrating, or setting of gauges or other standards ...
600 mm: 1 ft 11 + 5 ⁄ 8 in: 603 mm: 1 ft 11 + 3 ⁄ 4 in: 610 mm 2 ft: 620 mm 2 ft 13 ⁄ 32 in: Slovenia: Cave railway in the Postojna Cave [26] 622 mm 2 ft 1 ⁄ 2 in: Wales Penrhyn Quarry Railway, until 1879 630 mm: 24 + 13 ⁄ 16 in: Germany Brickworks in Zehdenick [27] 655 mm: 2 ft 1 + 25 ⁄ 32 in: Germany Schlebusch-Harkorter Coal ...
The Colombian railway network has a total length of 3,304 kilometres (2,053 mi). There are 150 kilometres (93 mi) of 1,435 mm (4 ft 8 + 1 ⁄ 2 in) standard gauge connecting Cerrejón coal mines, Tren del Cerrejón, to the maritime port of Puerto Bolivar at Bahia Portete, and 3,154 kilometres (1,960 mi) of 3 ft (914 mm) narrow gauge of which 2,611 kilometres (1,622 mi) are in use. [1]
Geometrical Product Specification and Verification (GPS&V) [1] is a set of ISO standards developed by ISO Technical Committee 213. [2] The aim of those standards is to develop a common language to specify macro geometry (size, form, orientation, location) and micro-geometry (surface texture) of products or parts of products so that the language can be used consistently worldwide.
Lego trains use a fixed nominal gauge of 37.5 mm (1 + 15 ⁄ 32 in), based on 5-stud track centerlines gauge. [5] [6] [7] The 37.5 mm length is not derived by a certain scale ratio. While HO scale is a 1:87 scale (3.5 mm to 1 foot), resulting in a 16.5 mm (0.65 in) gauge from real life prototype 1,435 mm (4 ft 8 + 1 ⁄ 2 in) standard gauge ...
Note how in the below sorted table the "inches" measure is inconsistent with the mm measures, if height varies: Some 28-inch tires then have fewer mm than a 27-inch tire. 584 mm tires are also marketed as 27.5-inch (outer diameter) tires.