SECTION V.^CHEMISTRY, PURE AND APPLIED. QO/

Webster, John.
* Metallographia, or an history of Metals. Wherein is declared the signs of ores and minerals both before and after digging, the causes and manner of their generations, their kinds, sorts, and differences ; with the description of sundry new metals, or semi-metals, and many other things pertaining to mineral knowledge. As also, the handling and shewing of their vegetability, and the discussion of the most difficult questions belonging to mystical chemistry ; as of the Philosophers gold, their mercury, the liquor alkahest, aurum potabile and such like. Gathered forth of the most approved that authors have written in Greek, Latine, or High Dutch ; with some observations and discoveries of the author himself. London, 167 1, pp. (xvi)-388, sm. 4to.
Not so prolix a work as the title suggests. The author is, however, credu- lous, a follower of Paracelsus and a believer in hermetic mysteries.
Webster, John White.
A Manual of Chemistry, containing the principal facts of the science in the order in which they are discussed and illustrated in the lectures at Harvard University, and several other colleges and medical schools in the United States. Compiled and arranged as a text- book for the use of students, and persons attending lectures on chemistry. Third edition, comprising a summary of the latest dis- coveries as contained in the works of Brande, Turner, Thomson and other distinguished chemists, illustrated with upwards of two hundred engravings on wood. Boston, 1839. pp. xxi-554, 8vo.
First edition, Boston, 1826. Second edition, Boston, 1828. pp. viii-619.
The author was hanged Nov. 23, 1849, for the murder of Dr. Parkman.
Webster, N. B.
Outlines of Chemistry for Agricultural Colleges, public and private schools, and individual learners. New York, 1883. 32mo.
Wedderburn, Alex. J.
Popular (A) Treatise on the Extent and Character of Food Adultera- tions. Bulletin No. 25, Division of Chemistry, U. S. Department of Agriculture. Washington, 1890. 8vo. Special Report on the Extent and Character of Food Adulterations, in- cluding State and other laws relating to foods and beverages. Bulletin No. 32, Division of Chemistry, U. S. Department of Agriculture. Washington, 1892. 8vo.
Wedding, Hermann.
AusfUhrliches Handbuch der EisenhUttenkunde. See Percy, John : Die Metallurgie, vol. 11.
908 BIBLIOGRAPHY OF CHEMISTRY.
Wedding, Hermann.
Der Phosphor im Haushalte der Natur und der Menschen. Vortrag. Berlin, 1884. 4to.
Wedel, Georg Wolfgang.
See also in Section VI.
Wedel, Georg Wolfgang.
Compendium chymiae theoreticse et practicae, methodo analytica
propositae. Jense, 17 15. 4to. Experimenta chymica de sale volatili plantarum. Jenae, 1672. i2mo. De anil, indico, glasto. Inaug.-dissert. Jenae, 1689. 4to. De clave principiorum chimicorum. Jenae, 1685. 4to. Non-entia chymica. Francofurti, 1670. Tabulae chymicae xv in synopsi universam chymiam exhibentes. Jenae,
1692. 4to.
Wedel, Johann Adolph.
De fermentis chimicis, dissertatio. Jenae, 1695. 4to. Dissertatio inauguralis chimico-medica de principiis chimicorum. n.p. [Jenae], 17 16. 4to.
Weeren, J. M.
Atomgewichtsbestimmung des Mangans. Halle, 1890. 8vo.
Wegscheider, R.
Zur Regelung der Nomenclatur der Kohlenstoffverbindungen. Wien, 1892. 8vo.
Wehner.
Leitfaden der Chemie mit besonderer Beriicksichtigung der landwirth- schaftlichen Gewerbe. Zum Gebrauche an Real- und landwirth- schaftsschulen bearbeitet. Berlin, 1883. 8vo. 111.
Weigel, Christian Ehrenfried.
Grundriss der reinen und angewandten Chemie. 1777. See in Section I. Beitrage zur Geschichte der Luftarten. 1784. See in Section III,
Weigel, Christian Ehrenfried.
Einfluss (Der) chemischer Kenntniss in der Oekoiiomie. Greifswald,
1775. 4to. * Einleitung zur allgemeinen Scheidekunst. Leipzig, 1788-94. Drei Theile. 8vo.