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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 standard gauge. Conversely, modeling standard gauge in Lego trains would yield a scaling of (37.5:1435 =) 1:38.3.
3 mm scale, also known as 3 mm finescale, is a model railway scale of 3 mm : 1 ft (305 mm) used for British prototypes. Introduced as British TT gauge , it sits approximately halfway between British N gauge and OO gauge but is not as popular as either and there is no longer any mass manufacturer ready-to-run support.
For example, a catheter with a French size of 9 would have an outer diameter of approximately 3 mm. While the French scale aligns closely with the metric system, it introduces redundancy and the potential for rounding errors. This metrication problem is further complicated in medical contexts where metric and imperial units are used interchangeably
The scale is uncommon outside Central Europe, with a few manufacturers in other parts of the world. One current producer of British TT is 3 mm Scale Model Railways [13] who supply updated GEM and BEC TT kits as well as a large range of Brass Etch and Resin body kits. American manufacturers include Possum Valley Models (kits), Sleepy Hollow/Gold ...
A TRRRS standard for 3.5 mm connectors was developed by ITU-T. [84] The standard, called P.382 (formerly P.MMIC), outlines technical requirements and test methods for a 5-conductor socket and plug configuration. Compared to the TRRS standard, TRRRS provides one extra conductor that can be used for connecting a second microphone or providing ...
no standard no standard no standard no standard no standard 35 mm 2.50 with a 120° curved screen 0.931" × 0.698", with two half-images turned 90° and placed side-by-side spherical × 2 Cine System 3 [43] [44] Eric Berndt: 1960 USAF and NASA usage 3 mm 1 perf, centered spherical Grandeur 70 [45] 20th Century Fox: 1961 The King and I (re ...
Different lengths as in respect to the electromagnetic spectrum, measured by the metre and its derived scales.The microwave is between 1 meter to 1 millimeter.. The millimetre (international spelling; SI unit symbol mm) or millimeter (American spelling) is a unit of length in the International System of Units (SI), equal to one thousandth of a metre, which is the SI base unit of length.
Point Metric size American system Continental system Chinese system American [4] British [1] French [5] German [6] Dutch Character Pinyin Meaning 1 ≈ 0.353 mm: American [a] ...