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Lamsons bought a 51% stake in the Dart Cash Carrier Company in 1927 and became sole owner in 1948. Dart was based in Stoke on Trent, and Lamson relocated to new premises in Stoke in 1974. [5] Lamson Engineering Company Ltd survived until 1976 when it was taken over by Dialed Despatches to become D. D. Lamson.
DART quickly proved its value by improving upon existing plans of the U.S. military. What surprised many observers was DART's ability to adapt plans rapidly in a crisis environment. [3] DART's success led to the development of other military planning agents such as: RDA - Resource Description and Access system [3]
They also made cable systems and pneumatic tube systems. [4] Sturtevants Sturtevants of Boston, Massachusetts was an offshoot of an American company. They purchased part of Reid Brothers around the early 1920s and the pneumatic tube business of Cooke, Troughton and Simms. In 1949 the part that handled pneumatic tubes was acquired by Lamsons. [5]
The DART ion source is a kind of gas-phase ionization, and it requires some sort of volatility of the analyte to support thermally assisted desorption of analyte ions. [14] This limits the size range of the molecules that can be analyzed by DART i.e. m/z 50 to 1200. [1] [15] DART-MS is capable of semi-quantitative and quantitative analysis. To ...
Each DART station consists of a surface buoy and a seafloor bottom pressure recording (BPR) package that detects water pressure changes caused by tsunamis.The surface buoy receives transmitted information from the BPR via an acoustic link and then transmits data to a satellite, which retransmits the data to ground stations for immediate dissemination to NOAA's Tsunami Warning Centers, NOAA's ...
Darts consist of a paper cone 20 cm (8 in) long, weighing 0.8 g (3 ⁄ 100 oz). Cherokee – made of river cane, [7] 2 to 3 m (6 to 9 ft). Dart is 15 to 56 cm (6 to 22 in) long and made of locustwood or other available hardwoods such as oak, ash, maple, walnut, etc., fletched with thistle down or rabbit fur, that provides an air seal. [8]
The M829 dart has a ballistic nose and six tail fins made of aluminum. It is carried in the gun tube by a four-piece aluminum sabot, which separates into four "petals" soon after the round leaves the gun tube. [2] The propulsion system uses an obturating case base with a semi-combustible cartridge wall.
Diagram depicting the operation of the Countermine system. The Countermine System (CMS), also known as Venom Darts, Venom Penetrators [1] and GBU-61, [2] is an anti-land-mine system consisting of chemical or explosive projectiles released from modified GPS-guided bombs. The darts are used to detonate or deactivate land mines in beach and surf ...