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At Basel the Spring, running in the Gerbergasse (or Tanners-street) from St. Leonard's Hill, is of a Blewish colour, and somewhat troubled, holding Copper, Bitumen, and Antimony, about 3 parts of the first, one of the second, and two of the last, as has been examined by skilful Persons. Our Tanners do water their Skins in it; and being a well tasted and wholsome Water, it is both much drunk, and used to Bath in. It mingles with another Spring-water, call'd the Birsick, and with it, between the Salt-tower and the Rhine-gate runs into the Rhine.
In the same Town (which abounds with Spring-waters) there are two, among the rest, called Bandulph's-well, and Brun Zum Brunnem, that are more observable then the other; the former of them having a Camphory and drying Quality, and used against Hydropical Distempers; the latter containing some Sulphur, Saltpeter and Gold, and being an excellent Water to drink, much used in the principal Tavern of the City, where the chief of the Town do resort, and near which it runs.
In Alsatia in the Valley, called Leberthal, near Geesbach (an ancient Mine-work) there runs out of a Cavern a foul, fattish, oily Liquor, which, though the Country-men of that place employ to the vile use of greasing their Wheels; instead of ordinary Wheel-grease; yet doth it afford an excellent Balsom, by taking a quantity of it, and putting it in an Earthen Pot well luted, that no steam may exhale; and then with a gentle Fire at first, but a stronger afterwards, boyling it for three hours together; in which space it will boyl in a fourth part, and an Earthen Matter, like Pitch, will settle it self at the bottom: but on the top thereof, when cold, there will swim a fatty Substance, like Lyne-Oyl, limped and somewhat yellowish, which is to be decanted from the thick Sediment, and then gently distilled in an Alembick in Arena; by which means, there will come over two differing Liquors, one Phlegmatick, the other Oily,
