Summary

Philosophical Transactions, Volume 4…

“ But in the greater Panns, which are usually deeper, they are above halfe an hour longer in boyling; but, because they take their Salt out of their Brine, and only harden it in their Hot-house, 'tis apter to melt away in a moist Air: Yet of this fort of Salt the bigger the grain is, the longer it endures ”
Source: Wikisource

Philosophical Transactions, Volume 4…

“ The Water of the Salt-springs here is very cold at the bottom of the Pitt, insomuch that when the Briners sometimes goe about to cleanse the Pitt, they cannot abide in, above half an hour, and in that time they drink much Strong water.
There is not any Hot Springs (that I can hear of) nearer us, than Buckston-well, which is about 30. miles distant near Darby-Peak Hills.
4. Whether they find any Shells about those Springs, and what kind of Earth it is? I cannot hear of any Shells digged up, though of late several new Brine-springs have been both sought, and found by sinking deep Pitts
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Source: Wikisource

Philosophical Transactions, Volume 4…

“ Wich-houses, hath yielded an Ounce and an halfe more of Salt, than at another time, when it hath had a rest of a week or thereabout. But I conclude, that the nearest conjecture, to be made of the strength of this Brine, is, to yield one pound of Salt for six pounds of Brine; as I have severall times tryed without any operation that might obscure the working: By which proportion you sie, that six Tuns of Brine yield one tun of Salt: which may be built upon; though in their ordinary way of working they make such variety of Additions, that 'tis impossible for any to be confident of the Product. ”
Source: Wikisource

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