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As modern studies show, the actual length of a kernel of barley varies from as short as 0.16–0.28 in (4–7 mm) to as long as 0.47–0.59 in (12–15 mm) depending on the cultivar. [ 5 ] [ 6 ] Older sources claimed the average length of a grain of barley was 0.345 in (8.8 mm), while that of a grain of " big " was 0.3245 in (8.24 mm).
The major diameter is given by 6p 1.2, [4]: 12 rounded to two significant figures in mm and the hex head size (across the flats) is 1.75 times the major diameter. BA sizes are specified by the following British Standards :
The segments of the calyx are triangular, the tips acute to sub-acuminate, 4 to 6 mm (0.16 to 0.24 in) long and 2 to 3 mm (0.079 to 0.118 in) wide. The petals are colored a pale yellow to white, and often are tinged with pink, shaped oblong with an acute tip, 10 to 15 mm (0.39 to 0.59 in) long, and 2 to 3 mm (0.079 to 0.118 in) wide, connate ...
The head of the corolla appears to be 17 mm (0.67 inch) by 23 mm (0.91 inch) in length by 4 mm (0.16 inch) to 10 mm (0.39 inch) in width. It is obtuse, having a blunt or rounded tip, at the apex. As well, the head of the corolla is glabrous, smooth outside, with a sparsely pubescent, hairy belt inside that is 7 mm (0.28 inch) wide and located ...
The Vickers .5 inch machine gun (officially "Gun, Machine, Vickers, .5-in") also known as the Vickers .50 was a large-calibre British automatic weapon. The gun was commonly used as a close-in anti-aircraft weapon on Royal Navy and Allied ships, typically in a four-gun mounting (UK) or two-gun mounting (Dutch), as well as tanks and other armoured fighting vehicles.
The fruit measures 40 mm (1.58-inch) to 115 mm (4.53-inch) long by 10 mm (0.39-inch) to 20 mm (0.79 in) wide by 7 mm (0.28-inch) to 10 mm (0.39-inch) high. When the fruit is fresh it is either straight or recurved, obtuse to acute at the apex. It is pubescent and has a wall 1 mm (inch) thick.
Many of these plugs are derived from the "double banana" plug, which consists simply of two banana plugs spaced 3 ⁄ 4 inch (19 mm) apart (measured from center to center of each individual plug). The 3 ⁄ 4 inch spacing originated on General Radio test equipment during the 1920s, and their type 274-M dual-plug is a notable example from that ...
There is also an EIA standard for 0.141-inch miniature phone jacks. The 2.5 mm or sub-miniature sizes were similarly popularized on small portable electronics. They often appeared next to a 3.5 mm microphone jack for a remote control on-off switch on early portable tape recorders; the microphone provided with such machines had the on-off switch ...