SCIENTIFIC PAPERS OF HENRY. 369 



1846. Report on the action of Electricity on the Telegraph Wires : and Telegraph- 

 poles struck by Lightning. (Read June 19.) Proceedings Am. Phil. Soc. 

 vol. iv. pp. 2GO-263. Silliman's Am. Jour. Sci. 1847, vol. iii. pp. 25-32. 

 L. E. D. Phil. May. 1847, vol. xxx. pp. 186-194. Agricultural Report, 

 Commr. Pats. 1859, pp. 009-511. 



1846. On the ball supported by a water jet : also experiments in regard to the 

 "interference" of heat. (Read Oct. 16.) Proceedings Am. Phil. Soc. vol. 

 iv. p. 285. 



1846. On the corpuscular hypothesis of the constitution of Matter. (Read Nov. 6. ) 

 Proceedings Am. Phil. Soc. vol. iv. pp. 287-290. 



1846. On the Height of Auroras. (Read Dec. 3.) Proceedings Am. Phil. Soc. vol. 



iv. p. 370. 



1847. Programme of Organization of the Smithsonian Institution. (Presented 



to the Board of Regents, Dec. 8, 1847.) Smithsonian Report, 1847, pp. 

 120-132. 



1847. Article on "Magnetism" for the Encyclopaedia Americana. Encycl. Amer. 



1847, vol. xiv. pp. 412-426. 



1848. On Heat A Thermal Telescope. Silliman's Am. Jour. Sci. Jan. 1848, vol. v. 



pp. 113, 114. 



1848. Explanations and Illustrations of the Plan of the Smithsonian Institution. 



Silliman's Am. Jour. Sci. Nov. 1848, vol. vi. pp. 305-317. 



1849. On the Radiation of Heat. (Read Oct. 19. ) Proceedings Am. Phil. Soc. vol. v. 



p. 108. 



1850. Analysis of the dynamic phenomena of the Leyden jar. Proceedings Amer. 



Association, Aug. 1850, pp. 377, 378. 



1851. On the Limit of Perceptibility of a direct and reflected Sound. Proceedings 



Amer. Association, May, 1851, pp. 42, 43 



1851. On the Theory of the so-called Imponderables. Proceedings Amer. Association, 

 Aug. Idol, pp. 84-91. 



1853. Address before the Metropolitan Mechanics' Institute, Washington. (Deliv- 



ered March 19.) 8vo. Washington, 1853, 19 pp. 



1854. Meteorological Tables of mean diurnal variations, etc. Prepared as an Appen- 



dix to Mr. Russell's Lectures on Meteorology. Smithsonian Report for 

 1354, pp. 215-223. 



1854. Thoughts on Education ; an Introductory Discourse before the Association for 



the Advancement of Education. (Delivered Dec. 28.) Proceedings Assoc. 

 Adv. Education, 4th Session, 1854, pp. 17-31. Amer. Jour, of Education, 

 Aug. 1855, vol. i. pp. 17-31. 



1855. On the mode of Testing Building Materials, etc. Proceedings Am. Assoc. Aug. 



1855, pp. 102-112. Silliman's Am. Jour. Sci. July, 1856, vol. xxii. pp. 30- 

 33 ; Smithsonian Report, 1853, pp. 303-310. 



1855. On the effect of mingling Radiating Substances with Combustible Materials : 

 (or incombustible bodies with fuel.) Proceedings Am. Assoc. Aug. 1855, pp. 

 112-116. 

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