Experiments and considerations touching colours first occasionally written, among some other essays to a friend, and now suffer'd to come abroad as the beginning of an experimental history of colours / by the Honourable Robert Boyle ...
About this Item
Title
Experiments and considerations touching colours first occasionally written, among some other essays to a friend, and now suffer'd to come abroad as the beginning of an experimental history of colours / by the Honourable Robert Boyle ...
Author
Boyle, Robert, 1627-1691.
Publication
London :: Printed for Henry Herringman ...,
1664.
Rights/Permissions
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Subject terms
Color -- Early works to 1800.
Colors -- Early works to 1800.
Link to this Item
http://name.umdl.umich.edu/A28975.0001.001
Cite this Item
"Experiments and considerations touching colours first occasionally written, among some other essays to a friend, and now suffer'd to come abroad as the beginning of an experimental history of colours / by the Honourable Robert Boyle ..." In the digital collection Early English Books Online. https://name.umdl.umich.edu/A28975.0001.001. University of Michigan Library Digital Collections. Accessed June 15, 2024.
Pages
descriptionPage 344
Annotation II.
Not only the Calces, but the Glasses of Metalls, Vitrify'd per se, may be of Colours differing from the Natural or Obvious Co∣lour of the Metall; as I have observ'd in the Glass of Lead, made by long exposing Crude Lead to a violent fire, and what I have observ'd about the Glass or Slagg of Copper, (of which I can show you some of an odd kind of Texture,) may be else∣where more conveniently related. I have likewise seen a piece of very Dark Glass, which an Ingenious Artificer that show'd it me profess'd himself to have made of Silver alone by an extreme Violence (which seems to be no more than is needfull) of the fire.
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