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In 2012, Smith & Wesson introduced the M&P Shield in 9mm and .40 S&W. The Shield is a subcompact single-stack magazine variant of the M&P line. The Shield has roughly the same silhouette as the M&P Compact but is considerably thinner at less than 1-inch in width. The Shield is the first M&P to incorporate an improved trigger with positive reset ...
G(M)P: General (medical) practitioner HA: Headaches HARC: Harmonious abnormal retinal correspondence HM: Hand motion vision – state distance Hx: History IOL: Intra-ocular lens IOP: Intra-ocular pressure ISNT: Inferior, Superior, Nasal, Temporal rule used to assess optic disc appearance K: Keratometry OS oculus sinister (left eye) LHyperT or ...
In laser physics, numerical aperture is defined slightly differently.Laser beams spread out as they propagate, but slowly. Far away from the narrowest part of the beam, the spread is roughly linear with distance—the laser beam forms a cone of light in the "far field".
The f-number N is given by: = where f is the focal length, and D is the diameter of the entrance pupil (effective aperture).It is customary to write f-numbers preceded by "f /", which forms a mathematical expression of the entrance pupil's diameter in terms of f and N. [1]
In 1937, Brazil ordered 25,000 Smith & Wesson M1917s for its military, where they are no longer in service. [12] They can be identified by the large Brazilian crest stamped on their sideplates and are sometimes referred to as the M1937, the Modelo 1937, or the Brazilian-contract M1917.
ANSI was most likely formed in 1918, when five engineering societies and three government agencies founded the American Engineering Standards Committee (AESC). [8] In 1928, the AESC became the American Standards Association (ASA).
Factor () Multiple Value Item 0 0 0 Singularity: 10 −35: 1 Planck length: 0.0000162 qm Planck length; typical scale of hypothetical loop quantum gravity or size of a hypothetical string and of branes; according to string theory, lengths smaller than this do not make any physical sense. [1]
The base plates for the extended magazines can be swapped out to create 26- and 31-round magazines as well. The longest serving of the Glocks, the Glock 17 can be had with numerous "options" such as a threaded barrel, or slides cut for the Modular Optic System (MOS). Some options, such as the universal Glock rail have become standard.