The period of time covered by the Industrial Revolution varies with different historians. Eric Hobsbawm held that it 'broke out' in the 1780s and wasn't fully felt until the 1830s or 1840s, while T.S. Ashton held that it occurred roughly between 1760 and 1830 (in effect the reigns of George III, The Regency, and George IV).
The effects spread throughout Western Europe and North America during the 19th century, eventually affecting most of the world. The impact of this change on society was enormous and is often compared to the Neolithic revolution, when mankind developed agriculture and gave up its nomadic lifestyle.
The first Industrial Revolution merged into the Second Industrial Revolution around 1850, when technological and economic progress gained momentum with the development of steam-powered ships and railways, and later in the nineteenth century with the internal combustion engine and electrical power generation.
It has been argued that GDP per capita was much more stable and progressed at a much slower rate until the industrial revolution and the emergence of the modern capitalist economy, and