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Japan. Central meteorological observatory, Tokio. Explanatory notes on the exhibits to the World's Columbian exposition at Chicago, U. S. A., 1893. QC875 J3. 1586 Jenkins, T. A. The barometer, thermometer, hygrometer, and atmospheric appearances at sea and on land as aids in foretelling weather with brief rules for their use, and the practical application of their separate and combined indications as weather guides. 1869. QC87 L J54. 1587

Marvin, C. F. Anemometry. A circular of general information respecting the theory and operation of instruments for indicating, measuring, and automatically recording wind movement and direction with instructions for the erection and care of such instruments of the Weather bureau pattern. 1907. QC932 M39. 1588

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Conference on weights and measures of the United States. 1st, Washington, 1905. January 16 and 17, 1905. [Proceedings. 2d ed.] 1907. QC89 U5 C8.

1658

[Pro

-2d Washington, 1906. ceedings.] 1906. QC89 U5 C7 1906.

1659

Saigey,

La pratique des poids et measures du système métriq ie ou guide des maitres dans l'enseignement de ce système. 4 me éd. 1856. QC91 C12. 1666

-Traité de métrologie ancienne et moderne, suivi d'un précis de chronologie, et des signes numériques. 1834. QC83 S13. 1667

Souquet, J. B. Métrologie Francaise ou wanuel théorique et pratique du système métrique 1840. QC89 F8.

-3d, Washington, 1907. Proceed- U. S. Bureau of standards. ings May 16 and 17, 1907. 1910. QC89 U5 C7 1907.

1660

-4th, Washington, 1908. Proceedings December 17 and 18, 1908. 1910. QC89 U5 C7 1908. 1661

International association for obtain-
ing a uniform decimal system of
and
measures,
coins.
weights,
What is the best unit of length?

with answers from the British branch of the association, shewing that the best unit of length is the metre. 1858. QC101 17. 1662

Japan. Bureau of commerce and industry. (Dept. of agriculture and commerce.) Details of the weights and measures, exposed at the World's Columbian exposition. 1663 1893. QC89 J35.

Massachusetts. Revised laws of Massachusetts relating to weights and measures and the inspection and sale of various articles. 1995. QC89 U6 M4. 1881

1688

Circu

lar of the bureau of standards. Library has nos. 6, 7, 13, 17, 21. 22, 24-26, (1st and 2d ed. of 26). 27, 28, 29, 30. QC81 U5. 1669

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Yates, James. On the French system of measures, weights, and

coins, and its adaptation to general use. 1854. QC91 Y91. 1673

CHEMISTRY.

(Except Chemical Technology, Medical and Pharmaceutical Chemistry, and Agricultural Chemistry.)

Aikin, A[rthur.] A dictionary of chemistry and mineralogy, with an account of the processes employed in many of the most important chemical manufactures. 1807. QD5 A3.

1674

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A system of instruction in quantitative chemical analysis. From the last English and German editions. Ed. by O. D. Allen with the cooperation of S. W. Johnson. 1882. QD101 F88. 1685 Gooch, F. A. Outlines of inorganic chemistry, by F. A. Gooch and C. F. Walker. 1905. QD151 G65. 1686 Gurney, Sir Goldsworthy.

A course of lectures on chemical science, as delivered at the Surrey institute. 1823. QD39 G98. 1687 Henry, William. The elements of experimental chemistry, 11th ed., comprehending all the recent discoveries. 1829. 2 v. QD30 H52. 1688 Houston, E. J. A short course in chemistry. [c1884.] QD33 H85.

1689 Johnston, John. A manual of chemistry, on the basis of Dr. Turner's Elements of chemistry; containing, in a condensed form, all the most important facts and principles of the science. New ed. 1843. QD30 J715. 1690

Liebig, Justus, freiherr von. Organic chemistry in its applications to agriculture and physiology. Ed. by Lyon Playfair. 2d American ed., with an introduction, notes, and appendix, by J. W. Webster. 1841. QD251 L71. 1691

Mathewson, C. H. First principles of chemical theory. 1908. QD453 M4. 1692 Meyer, Lothar. Modern theories of chemistry. Tr. from the German by P. P. Bedson and W. C. Williams. 1888. QD39 M61. 1693

1884 Montgomery, J. P. Some new com

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