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Key passage(s)
The scans of text that follow were made from:
Boyle R (1661). Two Essays concerning the Unsuccessfulness of Experiments, Containing divers Admonitions and Observations (chiefly Chymical) touching that Subject.
Reissued in The Works of the Honourable Robert Boyle in Five Volumes, London: A Miller, 1744, pp 204-227.
Pages 204-205
Page 220
Page 224
Acknowledgements
The editors are grateful to:
Special Collections at the Sheridan Libraries, Johns Hopkins University, for permission to display these scans from 1661.