The Archaeology of Britain: An introduction from ... - waughfamily.ca
The Archaeology of Britain: An introduction from ... - waughfamily.ca
The Archaeology of Britain: An introduction from ... - waughfamily.ca
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
• 288 • Kate Clark<br />
nevertheless, suggests that water power remained important for industrial purposes until well<br />
into the nineteenth century, and well after the steam engine had become firmly established<br />
(Cossons 1987).<br />
Waterwheels were cheap, easy to install, and could drive rotative machinery well before steam<br />
engines could; only after the 1840s were steam engines built that were more powerful. <strong>The</strong><br />
technology <strong>of</strong> the waterwheel was well established by the sixteenth century, and by the early<br />
eighteenth century simple undershot wheels were common. Key techni<strong>ca</strong>l developments in<br />
waterwheel technology through the eighteenth and early nineteenth century include improvements<br />
to the buckets, and more elaborate means <strong>of</strong> driving wheels to take advantage <strong>of</strong> different<br />
conditions. <strong>The</strong> water turbine was developed after 1820 by Benoit Fourneyron in France to take<br />
advantage <strong>of</strong> low heads <strong>of</strong> water, and the technology spread, perhaps illicitly, to Northern Ireland<br />
where they were manufactured by the MacAdam brothers <strong>of</strong> Belfast in the 1840s. Water turbines<br />
remain in use today for the generation <strong>of</strong> hydro-electricity.<br />
Many waterwheels survive in <strong>Britain</strong>, and at many sites field survey <strong>of</strong> the associated leats,<br />
sluices and tailraces, and analysis <strong>of</strong> the relevant falls is <strong>of</strong>ten the only source <strong>of</strong> evidence for the<br />
precise way in which the system worked. At Quarry Bank Mill, Styal in Cheshire, more explicitly<br />
archaeologi<strong>ca</strong>l techniques have been used to untangle the sequence <strong>of</strong> use <strong>of</strong> water, steam and<br />
gas as sources <strong>of</strong> power at a large textile mill complex. Although a steam engine was installed at<br />
the site in 1810, waterwheels remained in use there until 1889 when water turbines were installed,<br />
demonstrating that various sources <strong>of</strong> power <strong>of</strong>ten coexisted (Milln 1995). Archaeologi<strong>ca</strong>l analysis<br />
has also been used at Bordesley, Worcestershire, where remains <strong>of</strong> a water-powered needle mill<br />
were identified. Through time, many industrialized valleys developed extremely complex water<br />
power systems, <strong>of</strong>ten with steam engines being used not to drive the machinery directly (although<br />
such technology was available) but to pump water back up, so it could be recycled back around<br />
the earlier dams and waterwheels. Indeed, Cossons (1987) argues that the decline in water power<br />
may have had more to do with the diversion <strong>of</strong> water by land drainage schemes, or for urban<br />
domestic consumption, than the inefficiency <strong>of</strong> water power itself.<br />
Whilst water power remained common in rural areas until the nineteenth century, and indeed<br />
survived in some places until the twentieth century, in urban areas the take-up <strong>of</strong> steam was more<br />
widespread. This illustrates the ultimate advantage that steam had over water power—it was a<br />
flexible, movable source <strong>of</strong> power that could be set up where required. Despite the importance<br />
<strong>of</strong> water power (and its greater legibility in the archaeologi<strong>ca</strong>l record), the appli<strong>ca</strong>tion <strong>of</strong> steam<br />
engines to industrial uses <strong>from</strong> mining, and mineral production, through to textiles, manufacturing<br />
and transport, undoubtedly made possible much higher levels <strong>of</strong> productivity, and ultimately<br />
freed many areas <strong>of</strong> manufacturing <strong>from</strong> dependency upon human and horse power.<br />
Newcomen engines remained in use for pumping coal mines where fuel was relatively cheap<br />
and where verti<strong>ca</strong>l motion was the main requirement. However, the improvements in steam<br />
engines created by Watt’s patents <strong>of</strong> the late eighteenth century resulted in engines that used less<br />
fuel and thus were cheaper, and could turn as well as lift. Textile mills, forges, metal works, glass<br />
making, breweries and water works all found ready uses for such engines, and by 1800 nearly 500<br />
had been built. Steam engine development did not stop with Boulton and Watt, and throughout<br />
the nineteenth century a series <strong>of</strong> patents resulted in smaller, more powerful and yet more portable<br />
engines. Recipro<strong>ca</strong>ting steam engines were used for electricity production in the 1880s, but only<br />
began to become redundant with the patenting <strong>of</strong> the steam turbine in 1884, which was immediately<br />
useful for electricity generation.<br />
<strong>The</strong> portability <strong>of</strong> steam engines is illustrated by the earliest surviving engine, a Newcomen<br />
engine that today stands in Dartmouth. It was moved there, having been used successively at<br />
Griff Colliery in Warwickshire, at Measham in Leicestershire and at Hawkesbury Junction on