The works of the Honourable Robert Boyle, Esq., epitomiz'd by Richard Boulton ... ; illustrated with copper plates.

About this Item

Title: The works of the Honourable Robert Boyle, Esq., epitomiz'd by Richard Boulton ... ; illustrated with copper plates.
Author: Boyle, Robert, 1627-1691.
Publication: London :: Printed for J. Phillips ... and J. Taylor ...,; 1699-1700.
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Subject terms: Physics -- Early works to 1800.; Chemistry -- Early works to 1800.; Medicine -- 15th-18th centuries.
Link to this Item: http://name.umdl.umich.edu/A28936.0001.001
Cite this Item: "The works of the Honourable Robert Boyle, Esq., epitomiz'd by Richard Boulton ... ; illustrated with copper plates." In the digital collection Early English Books Online 2. https://name.umdl.umich.edu/A28936.0001.001. University of Michigan Library Digital Collections. Accessed June 14, 2024.

Pages

EXPERIMENT XIII.

To try whether in Cupellations, all the Lead that is usually employed about them, flyes away in smoak, we heated a Cupel and weigh∣ing it, placed two ounces of Lead and a drachm of filings of Copper upon it, and after it had been two hours in a Cupelling Furnace, tho' nothing appeared upon the Cupel, worth weighing distinctly, yet weighing the whole together, they amounted to four ounces three drams and eleven grains, which wanted but nine grains of the whole weight of the Cupel and metals, so that allowing for what the Cu∣pel it self might have gained, the greatest Part seemed to be sunk into the Cupel.