395198r
[Commentary:
This page is part of Harriot's
experiments on refractive colours. Summary of raw data and analyzed results from experiments on refractive colours seen through various transparent substances in a 60° prism. These experiments were performed slightly after his work with a glass and water-filled prism, and he says that they were set up in the same way as those earlier experiments. The summary values of primary and secondary cardinals were no doubt also calculated in the same way (though the calculation pages are now missing). ]
July 4, 1605.
Observationes colorum per [???]
et per angulum 60°.
[Translation: Observations of colours through [???] and through an angle of 60°. ]
[Translation: Observations of colours through [???] and through an angle of 60°. ]
Distantia superficiei anguli oculo proximae a charta 6ped
et cætera ut in vitro et aqua.
[Translation: Distance of the surface of the prism closest to the eye to the card, 6 feet, and so forth just as in the glass and water.
et cætera ut in vitro et aqua.
[Translation: Distance of the surface of the prism closest to the eye to the card, 6 feet, and so forth just as in the glass and water.
Rubedo.
Rubedo et flavedo simul.
Cardinales primarii.
[Translation: Redness. Redness and yellowness together. Primary cardinals. Secondary.
Rubedo et flavedo simul.
Cardinales primarii.
[Translation: Redness. Redness and yellowness together. Primary cardinals. Secondary.
Olei terebinthini
angulus incidentiae
[Translation: Angle of incidence of turpentine equalling. ]
angulus incidentiae
[Translation: Angle of incidence of turpentine equalling. ]
Aquæ salsæ
angulus incidentiæ
[Translation: Angle of incidence of salt water equalling. ]
angulus incidentiæ
[Translation: Angle of incidence of salt water equalling. ]
Spiritus vini kemisi
angulus incidentiæ
[Translation: Angle of incidence of alchemical spirit of wine equalling. ]
angulus incidentiæ
[Translation: Angle of incidence of alchemical spirit of wine equalling. ]
unciae
ut aqua
[Translation: inch, indistinguishable from water.
ut aqua
[Translation: inch, indistinguishable from water.
duplum.
ut
[Translation: Double. As water. ]
ut
[Translation: Double. As water. ]