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Boyle, Robert, 1627-1691

"Experiments and Considerations Touching Colours (1664)"

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_The twenty fifth_ Experiment, _of the more general use of Alcalizate and
Sulphureous Salts in the Tinctures of Vegetables, further Instanced in the
Tincture of Privet Berries, and of the Flowers of Mesereon and Pease_ (from
257 to 259.) _An_ Annotation, _shewing that of the three Hypostatical
principles, Salt according to_ Paracelsus _is the most active about
Colours_ (from 259 to 261.) _Some things Precursory premis'd to three
several Instances next following, against the fore-mention'd Operations of
Salts_ (261, 262.)
_The twenty sixth_ Experiment, _containing Trials with Acid and Sulphureous
Salts on the Red Tinctures of Clove-july-flowers, Buckthorn Berries,
Red-Roses, Brasil_, &c. (262, 263.)
_The twenty seventh_ Experiment, _of the changes of the Colour of Jasmin
flowers, and Snow drops, by Alcalizate and Sulphureous Salts_ (263, 264.)
_The twenty eighth_ Experiment, _of other differing Effects on Mary-golds,
Prim-roses, and fresh Madder_ (265.) _with an Admonition, that these Salts
may have differing Effects in the changing of the tinctures of divers other
Vegetables_ (266, 267.)
_The twenty ninth_ Experiment, _of the differing Effects of these Salts on
Ripe and Unripe Juices, instanced in Black-berries, and the Juices of
Roses_ (from 267 to 270.


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