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History
Photos
Diagram indicating how an oil layer increases surface tension and smooths waves.
Diagram indicating how an oil layer increases surface tension and smooths waves.
Photos
Portrait of biographer William Brownrigg. Public library and Museum, Whitehaven.
Portrait of biographer William Brownrigg. Public library and Museum, Whitehaven.
The Art of making common salt, 1748
The Art of making common salt, 1748