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Credit
The constitution of matter : memoir on the probable constitution of matter, and laws of motion, as deducible from, and explanatory of, the physical phenomena of nature / by J.L. Riddell. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)