Moreton Bay QLD (Geographic Keyword)
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Australian Journal of Historical Archaeology Volume 02
Innovation in the Manufacture of Salt in Eastern Australia: The 'Thorn Graduation' Process (1984)
PROJECT
Uploaded by: Penny Crook
Archive of papers from Volume 2 of the Australian Journal of Historical Archaeology, published by the Australian Society for Historical Society (ASHA) in 1984.
Innovation in the Manufacture of Salt in Eastern Australia: The 'Thorn Graduation' Process (1984)
DOCUMENT
Full-Text
Salt production in nineteenth-century Australia was often based on the evaporation of sea-water by boiling. This required large quantities of fuel because of the low salt-content of sea-water, and there were obvious advantages in pre-concentrating the brine before boiling. Although solar evaporation was a well-established way of doing this, a handful of Australian manufacturers attempted to use the 'thorn graduation' process, in which water was evaporated from the brine by trickling it through...