'Full Steam Ahead'. John Brown & Company in Clydebank in Scotland, begin the major task of constructing 'Queen Mary' Ocean Liner then know as 'Hull Number 534', which began in December 1930 on the River Clyde, but work was halted in December 1931, almost exactly a year later, due to the Great Depression of the 1930s. Work on the 'Hull Number 534' was pushed ahead at full speed in May 1934, after a loan from the British Government. Here shows the constrution of the 'Queen Mary' with high-tensile steel, each of them up to 30 feet in length, they had to be cut and curved and fixed in place.