. The American journal of science and arts. , and the breadth b,are supposed to be known, whence r is found, and hence the properconical shape may be given to the. wheels. But after all, the conicalwheel does not remove altogether the friction, unless the axles aremade to take a position perpendicular to the rails. The method ofeffecting this to advantage is yet a XXIII—No. 1. 15 114 Improved Instrument for Venous Injection. Art. ^JVb/fce of an improved insty-ument for Venous Injec-tion,- ivith a figure—communicated for this Journal by Dr. , in a letter to the e
. The American journal of science and arts. , and the breadth b,are supposed to be known, whence r is found, and hence the properconical shape may be given to the. wheels. But after all, the conicalwheel does not remove altogether the friction, unless the axles aremade to take a position perpendicular to the rails. The method ofeffecting this to advantage is yet a XXIII—No. 1. 15 114 Improved Instrument for Venous Injection. Art. ^JVb/fce of an improved insty-ument for Venous Injec-tion,- ivith a figure—communicated for this Journal by Dr. , in a letter to the editor, dated Providence, Sept. 14,1832. Remark by the Editor.—The annexed notice was accompaniedby an interesting printed report on the Cholera, as it appeared inNew York, up to the middle of July, signed by J. Mauran, ThomasH. Webb and Samuel Boyd Tobey. • The present communication, grew out of the observations of thesemedical gentlemen, during a visit which they made to New York, forthe purpose of observing the malignant A. B. Glass air chamber. C. Flexible tube. D. Ivory connector. E. Silver inserting tube with stop-cock. Drawn bue fourth the size of the mstrument. TO THE EDITOR. Sir—We were early persuaded that a part of the failure from the Venous Injections, which have been resorted to for the promotionof reaction in aggravated cases of asphyxiated cholera, has arisen(under the circumstances) not so mucb from the nature of the ope-ration, as from the manner of its performance, through the imperfec-tions of the apparatus employed. This opinion has been subse-quently fortified by the observations of Dr. Francis, of New York,in a very interesting communication to Dr. Read, of Savannah, onthe absorbing topic, wherein he states that in the few autopsic ex-aminations of subjects after venous injections had been employed,great cerebral congestion has been found, and air within the heart, Improved Instrument fo7- V^enous Injection. 115 mesentery, and large blo
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Keywords: ., bo, bookcentury1800, bookpublishernewhavensconverse, bookyear1820
