[46] Essays on some Unsettled Questions of Political Economy, Essay V.
[47] Vide Memoir by Thomas Graham, F.R.S., Master of the Mint, "On Liquid Diffusion Applied to Analysis," in the Philosophical Transactions for 1862, reprinted in the Journal of the Chemical Society, and also separately as a pamphlet.
[48] It was an old generalization in surgery, that tight bandaging had a tendency to prevent or dissipate local inflammation. This sequence, being, in the progress of physiological knowledge, resolved into more general laws, led to the important surgical invention made by Dr. Arnott, the treatment of local inflammation and tumours by means of an equable pressure, produced by a bladder partially filled with air. The pressure, by keeping back the blood from the part, prevents the inflammation, or the tumour, from being nourished: in the case of inflammation, it removes the stimulus, which the organ is unfit to receive; in the case of tumours, by keeping back the nutritive fluid, it causes the absorption of matter to exceed the supply, and the diseased mass is gradually absorbed and disappears.
[49] Since acknowledged and reprinted in Mr. Martineau's Miscellanies.
[50] Dissertations and Discussions, vol. i., fourth paper.
[51] Written before the rise of the new views respecting the relation of heat to mechanical force; but confirmed rather than contradicted by them.
END OF VOL. I.
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