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The London and South Western Railway (LSWR) 0298 Class or Beattie Well Tank is a class of British steam locomotive. They are 2-4-0 WT s, originally built between 1863 and 1875 for use on passenger services in the suburbs of London, but later used on rural services in South West England. Out of a total production of 85, two locomotives have been ...
25% (1 in 4) of children will have the disorder; 50% (2 in 4) of children will be carriers (but unaffected) 25% (1 in 4) of children will be free of MSD - unaffected child that is not a carrier; If one parent is affected and one is free of MSD: 0% (0) children will have the disorder - only one parent is affected, other parent always gives ...
Fluoride or fluorine deficiency is a disorder which may cause increased dental caries [1] and possibly osteoporosis, [2] [3] due to a lack of fluoride in diet. [ 4 ] [ 5 ] Common dietary sources of fluoride include tea, grape juice, wine, raisins, some seafood, coffee, and tap water that has been fluoridated . [ 6 ]
A marine sanitation device (MSD) is a piece of machinery or a mechanical system that is dedicated to treat, process, and/or store raw, untreated sewage that can accumulate onboard water vessels. It does not refer to portable devices such as portable toilets.
The highest-specific-impulse chemistry ever test-fired in a rocket engine was lithium and fluorine, with hydrogen added to improve the exhaust thermodynamics (all propellants had to be kept in their own tanks, making this a tripropellant). The combination delivered 542 s specific impulse in vacuum, equivalent to an exhaust velocity of 5320 m/s.
The contractor selected was Beyer, Peacock and Company, which manufactured 12 4-4-0 tank locomotives in 1879. [1] After only four years in service, the entire class was converted to the 4-4-2 'radial' tank design between 1883 and 1886, following the successful introduction of the 415 class in 1882 on London's suburban network.
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The LNWR 5ft 6in Tank was a class of 160 passenger 2-4-2T locomotives manufactured by the London and North Western Railway in their Crewe Works between 1890 and 1897. The "5ft 6in" in the title referred to the diameter of the driving wheels – although the stated dimension was for the wheel centres – the nominal diameter including the tyres was 5 ft 8 + 1 ⁄ 2 in (1,740 mm).