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1888 Ismay, chairman of White Star Line, proposed building merchant vessels with government subsidy, which would then be available to the Admiralty. This resulted in the building of two magnificent liners, RMS Teutonic and RMS Majestic built by Harland and Wolff.
1891 For description of construction see 1891 The Practical Engineer
1922 From a description in the Engineer 1922/05/12
"...The Majestic is of special interest, not only because she is the largest liner afloat, but also on account of her association with the pre-war competition for size and speed in Trans-atlantic liners to which she owes her conception. With the altered economic position and the present high constructional costs, it is very likely she will continue to retain her distinctive position for some time to come.
Originally built to the order of the Hamburg-America Line at the Elbe Shipyard of Blohm and Voss, Hamburg, and christened the Bismarck, work on her was well in hand when the outbreak of war came, and was continued till about the middle of 1916. After that, little progress was made, and about that period all copper pipes were removed and replaced by pipes of steel, which have for the most part been retained..."
Read more about the ship's machinery, dimensions and history here: The Engineer 1922/05/12.