Manual for magnetizing, with the rotary and vibrating magnetic machine, in the duodynamic treatment of diseases / by H.H. Sherwood.

  • Sherwood, H. H. (Henry Hall)
Date:
1847
Catalogue details

Licence: Public Domain Mark

Credit: Manual for magnetizing, with the rotary and vibrating magnetic machine, in the duodynamic treatment of diseases / by H.H. Sherwood. 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.)

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    degree of force with which they repel and at- tract, it is found by experiments, conducted on the most rigid principles of inductive philoso- phy, that they repel and attract each other with a force proportioned to the quantity of these forces in given spaces, or the spaces they occupy. It is also ascertained, in the same manner, that when they repel, they expand, as seen in the case of iron filings attached to poles of the same denomination. And when they attract, they contract, as seen in the case of iron filings attached to poles of opposite denominations, with a force proportioned to their quantities in the spaces they occupy. The two poles, then, of the same denomination in the opposite hemis- pheres of the brain may, through the spinal nerves attached to these hemispheres, expand one set of muscles on one side of the body, limb, or organ, at the same time that those of the opposite denomination contract the antago- nist muscles on the other; for the muscles, like the organs and nerves, are necessarily double, for the purpose of producing motion by their simultaneous action. They may also expand one set of muscles by the repulsive, and contract their antagonists by the attractive force, in the same way that one metallic wire is expanded with the repul- sive, and another contracted with the attractive