Portsmouth was one of the earliest homes of naval shipbuilding; there is some evidence that Richard the Lionheart's ships taking him on the crusades were built there. Henry VII commissioned the first dry dock in 1495. The Mary Rose was built there as Henry VIII amassed galleons to keep up with the Spanish and Portuguese.
It wasn't only naval shipping, Portsmouth's ships travelled the globe with particular emphasis on trading in spices so much so that a part of the dock area became known as spice island.
Towns which were home to naval dockyards boomed in times of war, but when peace came so did unemployment and poverty. Yet war was never far away, especially with the French who posed a constant threat. In the years following the restoration of the monarchy, in 1665 Sir Bernard de Gomme, Engineer in Chief of all the King's castles reviewed coastal defences and began a fifty year programme in Portsmouth for the defence of the crucially important dockyard. In spite of all this civil engineering, shipbuilding continued notably with the 100 gun Britannia.
Naval harbours were also changing as a result of penal policy. The number of offences punishable by transportation increased with convict numbers beyond the capacity of penal colonies and so prison hulks became a feature in many harbours over filled with inmates in appalling conditions. The first fleet for Australia left in 1787 and began to relieve the pressure just in time to the renewed pressure of war from the French Republic.
Portsmouth, at the time of the Napoleonic wars, was home to naval shipbuilding on a massive scale. There were woodworking shops powered by steam, including engines from Boulton and Watt. Marc Isambard Brunel invented machines for making the thousands of pulley blocks that the navy needed. He collaborated with Henry Maudslay who made the machine tools required. It was a huge enterprise that dominated the town. It was the first example of mass production in Britain.
We need to take a step back to understand what was happening. Naval shipbuilding was an ancient trade in which old habits died hard. Sawyers were protective of their back breaking work in the saw pit even though in other countries water powered sawmills were gaining popularity. Small businesses supplying largely hand made pulley blocks were equally protective of their lucrative contracts. The navy's demands were huge and change was needed. The right man at the right time was Samuel Bentham, the brother of the political economist and prison reformer Jeremy Bentham. Samuel was put in charge of the dock yard and set about radical changes.
1840 saw the French employ steam power for their battleships and Portsmouth needed to follow suite. A separate area was set aside and the necessary skills recruited. I write in How Britain Shaped the Manufacturing World of the transition to iron and steel hulls propelled by steam power.
With the navy and military the overwhelmingly dominant employer, its importance is underlined by the growth in population from 30,000 in 1801 to 260,000 in 1931.
Portsmouth docks served the Royal Navy in two world wars. In 1905 the yard launched the Dreadnaught which rendered obsolete the capital ships of the world's navies. It went on to launch one of the largest ships ever built in Portsmouth at 27,500 tons the Queen Elizabeth and the 25,000 ton Iron Duke in 1914. In recent years the building and maintenance of naval ships has fallen more and more to the private sector in companies such as Babcock International and BAE Systems Marine.
Employment in naval activity declined from some 22,000 in 1945 to 6,500 in 1985. Nevertheless, Portsmouth has attracted other major employers. Top of the list must come IBM with their UK Headquarters but followed by the Inland Revenue computer centre, the Board of Trade and Zurich Insurance.
Further reading:
James Cramer, The Book of Portsmouth (Buckingham: Barracuda Books, 1985)
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