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How much of the world’s trade passed through British ports?
25%
How much % higher were British exports in 1846-73 than in 1814-1846?
418% higher
How did coal production rise from 1845-9 & 1870-74?
56m (1845-9) to 123m tons (1870-74)
How much of the global output of iron did GB produce in 1850?
Over 50%
How much steam horsepower did the British economy produce & how did the combined total of Belgium, Germany & France?
British economy - over 1m tons
Combined total of Belgium, Germany & France - 700,000
What did Nasmyth’s steam hammer help the production of iron to do?
Helped double iron production to 15m tons pa by 1875